3(x=7)+2x

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Solution for 3(x=7)+2x equation: 



3(x=7)+2x

We move all terms to the left:

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

We add all the numbers together, and all the variables

3(3x-7)=0

We multiply parentheses

9x-21=0

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

9x=21

x=21/9

x=2+1/3

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