13x+5+2x+7=7x-20

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Solution for 13x+5+2x+7=7x-20 equation: 



13x+5+2x+7=7x-20

We move all terms to the left:

13x+5+2x+7-(7x-20)=0

We add all the numbers together, and all the variables

15x-(7x-20)+12=0

We get rid of parentheses

15x-7x+20+12=0

We add all the numbers together, and all the variables

8x+32=0

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

8x=-32

x=-32/8

x=-4

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