X=-9x-40

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Solution for X=-9x-40 equation: 



X=-9X-40

We move all terms to the left:

X-(-9X-40)=0

We get rid of parentheses

X+9X+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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