13x-8x=-20

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Solution for 13x-8x=-20 equation: 



13x-8x=-20

We move all terms to the left:

13x-8x-(-20)=0

We add all the numbers together, and all the variables

5x+20=0

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

5x=-20

x=-20/5

x=-4

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