8-5x=20+7x

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Solution for 8-5x=20+7x equation: 



8-5x=20+7x

We move all terms to the left:

8-5x-(20+7x)=0

We add all the numbers together, and all the variables

-5x-(7x+20)+8=0

We get rid of parentheses

-5x-7x-20+8=0

We add all the numbers together, and all the variables

-12x-12=0

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

-12x=12

x=12/-12

x=-1

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