2x+20=7x-15

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Solution for 2x+20=7x-15 equation: 



2x+20=7x-15

We move all terms to the left:

2x+20-(7x-15)=0

We get rid of parentheses

2x-7x+15+20=0

We add all the numbers together, and all the variables

-5x+35=0

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

-5x=-35

x=-35/-5

x=+7

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