-20x+7x+3x=-15

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Solution for -20x+7x+3x=-15 equation: 



-20x+7x+3x=-15

We move all terms to the left:

-20x+7x+3x-(-15)=0

We add all the numbers together, and all the variables

-10x+15=0

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

-10x=-15

x=-15/-10

x=1+1/2

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