6(x+7)=(-3)(x+7)

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Solution for 6(x+7)=(-3)(x+7) equation: 



6(x+7)=(-3)(x+7)

We move all terms to the left:

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

We multiply parentheses

6x-((-3)(x+7))+42=0

We multiply parentheses ..

6x-((-3x-21))+42=0



We calculate terms in parentheses: -((-3x-21)), so:

(-3x-21)

We get rid of parentheses

-3x-21

Back to the equation:

-(-3x-21)



We get rid of parentheses

6x+3x+21+42=0

We add all the numbers together, and all the variables

9x+63=0

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

9x=-63

x=-63/9

x=-7

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