-7x+2(-7x+6)=243

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Solution for -7x+2(-7x+6)=243 equation: 



-7x+2(-7x+6)=243

We move all terms to the left:

-7x+2(-7x+6)-(243)=0

We multiply parentheses

-7x-14x+12-243=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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