Answer:
x = 21
Explanation:
to solve:
1. subtract 12 from both sides:
4x=12=96
-12 -12
2. This gives you 4x=84. Then divide both sides by 4:
4x/4 = x
84/4 = 21
So, you get x = 21
x=21
4x+12=96
subtract 12 from both sides
4x=84
divide both sides by 4
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