7(-9-3x)=63

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Solution for 7(-9-3x)=63 equation: 



7(-9-3x)=63

We move all terms to the left:

7(-9-3x)-(63)=0

We add all the numbers together, and all the variables

7(-3x-9)-63=0

We multiply parentheses

-21x-63-63=0

We add all the numbers together, and all the variables

-21x-126=0

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

-21x=126

x=126/-21

x=-6

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