-5x=20-7x

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



-5x=20-7x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-5x+7x-20=0

We add all the numbers together, and all the variables

2x-20=0

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

2x=20

x=20/2

x=10

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