Transcript Slide 1
SOLVING MULTI-STEP EQUATIONS
SECTION 3.4
23x 34 23 12 x 7 x
How to Solve Multi-step Equations:
variable
Step 1: Arrange the equation so that all terms with a _____________ are on
numbers are on the other side.
one side and all ____________
Remember, anytime a term is switched from one side of the equation to the
other it changes its _________.
sign
like __________.
terms
Step 2: Simplify each side of the equation by combining ______
Undo any operations on the variable.
Step 3: _________
Example 1: Solve each equation. Check your solution.
a.
4 x 2 3x 4
2
3x
x6
b.
4
24 2 18 4
22 22
2x 5 6x 4
5
6x
_____
4 x _____
1
4
4 6 2 3
4
1
1
x
4
1
2 5 6
4 2
6
4
5
4
4
4
1
1
5 1 4
2
2
5
1
1
5
2
2
C.
5 x 2 3x
2
3x
2_____
x _____
2
2
2
x 1