15x-20x+10-13=42

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Solution for 15x-20x+10-13=42 equation: 



15x-20x+10-13=42

We move all terms to the left:

15x-20x+10-13-(42)=0

We add all the numbers together, and all the variables

-5x-45=0

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

-5x=45

x=45/-5

x=-9

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