-7x-3x=40

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Solution for -7x-3x=40 equation: 



-7x-3x=40

We move all terms to the left:

-7x-3x-(40)=0

We add all the numbers together, and all the variables

-10x-40=0

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

-10x=40

x=40/-10

x=-4

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