Math 6/7 NOTES (6.3) Name _____________________________
Solving Two-Step Equations (SOL 7.14)
Example 1 Solve 3x + 1 = 7 CHECK
3x + 1 = 7
Locate the variable term.
3x + 1 = 7
3x + 1 = 7
-1 -1
Use INVERSE OPERATIONS
to isolate the x term.
In Reverse PEMDAS order
3(__) + 1 ≟ 7
3x = ____
Simplify.
____+ 1 ≟ 7
To eliminate the coefficient
divide each side by ___.
____ = 7
x = ___
Simplify.
Solve the two-step equation. Check your solution.
− 12 = −5
7k − 14 = 42
–12 = 24 + 4b
3g – 5 = 17
9 = 4a + 13
13 = 5m – 2
– 5 + 7k = –19
–15 = 11 – 2t
13 = 11 – 4x
6
3x
=
4
r
