-3(7+5x)=-126

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Solution for -3(7+5x)=-126 equation: 



-3(7+5x)=-126

We move all terms to the left:

-3(7+5x)-(-126)=0

We add all the numbers together, and all the variables

-3(5x+7)-(-126)=0

We add all the numbers together, and all the variables

-3(5x+7)+126=0

We multiply parentheses

-15x-21+126=0

We add all the numbers together, and all the variables

-15x+105=0

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

-15x=-105

x=-105/-15

x=+7

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