3(7-2x)=42

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Solution for 3(7-2x)=42 equation: 



3(7-2x)=42

We move all terms to the left:

3(7-2x)-(42)=0

We add all the numbers together, and all the variables

3(-2x+7)-42=0

We multiply parentheses

-6x+21-42=0

We add all the numbers together, and all the variables

-6x-21=0

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

-6x=21

x=21/-6

x=-3+1/2

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