Transcript File

Add/Subtract Equations
Solve each equation using inverse operations. Use
substitution to check your solution.
* Model all starred equations
1. v – 39 = -16
2. s + 2 = -4
*3. r – 12 = 25
*4. 21 = m + 9
5. v + 0.84 = 6
6. 23.9 = d – 14.25
8
17
t 
7.
9
18
1 2
8. m  
2 3
9. After Kayla deposited a check for $65, her new
account balance was $315. Write and solve an
equation to find the amount that was in Kayla’s
account before the deposit.
Multiply/Divide Equations Equations
Solve each equation using inverse operations. Use
substitution to check your solution.
* Model all starred equations
2
x 6
3
5. h  2
 27
1. 3d = 57
2.
4. -8p = 88
7.  12  b
2
8.
3. 1.5q = 45
6. m  12
2 .5
d
6
1
2
9. Fred gathered 150 eggs in a week. This is half the number he
normally gathers. Write and solve an equation to describe, e,
the amount of eggs he normally gathers.
10. On Black Friday, Mrs Shaw spent $56.80 on headphones for
her $14.20 each. Write and solve an equation to describe h, the
number of headphones she bought.
2 Step Equations Day One
Solve each equation using inverse operations. Use
substitution to check your solution.
* Model all starred equations
*1.3x  2  8
2.
*4. m
5.
6
 4  10
k
1  7
5
3.
4x  120  8
6.
 3y  8  1

2v ( 3)  71
7. Miss Ault’s furnace broke. A1 charged her $220 to fix
it. Their website says they charge $30 hour and a that
they have a service call fee of $40. Write and solve an
equation to describe the number of hours, h, it took to
fix her furnace.
2 Step Equations Day Two
Solve each equation using inverse operations. Use
substitution to check your solution.
* Model all starred equations
12 x  2  8
4. m
 4.5  6
1.5
1.
2.
k
 1  6
2
5.
3.
2

1  f  3
3
1
 1
 8.5
1  x 
2
 2
6. Flying M sells a ceramic mug for $8.95. Refills in the mug
$1.50. Last month, Mr Krahenbuhl spent $26.95 on his mug
and refilling it with hot chocolate. Write and solve an equation to
describe the number of refills, r, he bought.
7. Mrs Marsala’s new smartphone plan is going to cost her $840
before her birthday. If she has to pay $240 for the phone and
$60 per month, write an equation to describe the number of
months, m, until her birthday.
Add/Subtract Equations
Resuelve cada ecuación. Comprueba tus
repuestas
1. v – 39 = -16
2. s + 2 = -4
*3. r – 12 = 25
*4. 21 = m + 9
5. v + 0.84 = 6
6. 23.9 = d – 14.25
7. 8  t  17
9
9.
18
8.
1 2
m 
2 3
Multiply/Divide Equations Equations
Resuelve cada ecuación. Comprueba tus repuestas.
* model the starred problems as well.
2
x 6
3
5. h  2
 27
1. 3d = 57
2.
4. -8p = 88
7.  12  b
2
8.
3. 1.5q = 45
6. m  12
2 .5
d
6
1
2
9. Fred gathered 150 eggs in a week. This is half the number he
normally gathers. Write and solve an equation to describe, e,
the amount of eggs he normally gathers.
10. On Black Friday, Mrs Shaw spent $56.80 on headphones for
her $14.20 each. Write and solve an equation to describe h, the
number of headphones she bought.
2 Step Equations Day One
Resuelve cada ecuación. Comprueba tus repuestas.
* model the starred problems as well.
*1.3x  2  8
2.
*4. m
5.
6
 4  10
k
1  7
5
3.
4x  120  8
6.
 3y  8  1

2v ( 3)  71
7. Miss Ault’s furnace broke. A1 charged her $220 to fix
it. Their website says they charge $30 hour and a that
they have a service call fee of $40. Write and solve an
equation to describe the number of hours, h, it took to
fix her furnace.
2 Step Equations Day Two
Resuelve cada ecuación. Comprueba tus repuestas.
* model the starred problems as well.
12 x  2  8
4. m
 4.5  6
1.5
1.
2.
k
 1  6
2
5.
3.
2

1  f  3
3
1
 1
 8.5
1  x 
2
 2
6. Flying M sells a ceramic mug for $8.95. Refills in the mug
$1.50. Last month, Mr Krahenbuhl spent $26.95 on his mug
and refilling it with hot chocolate. Write and solve an equation to
describe the number of refills, r, he bought.
7. Mrs Marsala’s new smartphone plan is going to cost her $840
before her birthday. If she has to pay $240 for the phone and
$60 per month, write an equation to describe the number of
months, m, until her birthday.