4(1/2x+7=12)

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Solution for 4(1/2x+7=12) equation: 



4(1/2x+7=12)

We move all terms to the left:

4(1/2x+7-(12))=0



Domain of the equation: 2x+7-12)!=0

We move all terms containing x to the left, all other terms to the right

2x-12)!=-7

x∈R



We add all the numbers together, and all the variables

4(1/2x-5)=0

We multiply parentheses

4x-20=0

We move all terms containing x to the left, all other terms to the right

4x=20

x=20/4

x=5

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