10x+40=-90

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Solution for 10x+40=-90 equation: 



10x+40=-90

We move all terms to the left:

10x+40-(-90)=0

We add all the numbers together, and all the variables

10x+130=0

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

10x=-130

x=-130/10

x=-13

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