127=7x-20

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Solution for 127=7x-20 equation: 



127=7x-20

We move all terms to the left:

127-(7x-20)=0

We get rid of parentheses

-7x+20+127=0

We add all the numbers together, and all the variables

-7x+147=0

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

-7x=-147

x=-147/-7

x=+21

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