4x+20=7x-20

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Solution for 4x+20=7x-20 equation: 



4x+20=7x-20

We move all terms to the left:

4x+20-(7x-20)=0

We get rid of parentheses

4x-7x+20+20=0

We add all the numbers together, and all the variables

-3x+40=0

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

-3x=-40

x=-40/-3

x=13+1/3

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