Answer:
15
Explanation:
To solve you have to get x by itself on one side.
x/3+7=12
First, you move the seven over.
x/3+7-7=12-7
Simplify.
x/3=5
Now to get x by itself you can multiply both sides by 3.
x/3*3=5*3
x=15
x = 15
x/3 + 3⋅7/3 = 12
x+3⋅7/3=12
x+21/3
X=15
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