X+3(2x+7)=0

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Solution for X+3(2x+7)=0 equation: 



X+3(2X+7)=0

We multiply parentheses

X+6X+21=0

We add all the numbers together, and all the variables

7X+21=0

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

7X=-21

X=-21/7

X=-3

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