8x-7+5x=-20

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



8x-7+5x=-20

We move all terms to the left:

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

We add all the numbers together, and all the variables

13x+13=0

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

13x=-13

x=-13/13

x=-1

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