4x-3(7+x)=18

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Solution for 4x-3(7+x)=18 equation: 



4x-3(7+x)=18

We move all terms to the left:

4x-3(7+x)-(18)=0

We add all the numbers together, and all the variables

4x-3(x+7)-18=0

We multiply parentheses

4x-3x-21-18=0

We add all the numbers together, and all the variables

x-39=0

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

x=39

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