3(7x+7)=-210

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Solution for 3(7x+7)=-210 equation: 



3(7x+7)=-210

We move all terms to the left:

3(7x+7)-(-210)=0

We add all the numbers together, and all the variables

3(7x+7)+210=0

We multiply parentheses

21x+21+210=0

We add all the numbers together, and all the variables

21x+231=0

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

21x=-231

x=-231/21

x=-11

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