x+40+x+56=90

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Solution for x+40+x+56=90 equation:



x+40+x+56=90
We move all terms to the left:
x+40+x+56-(90)=0
We add all the numbers together, and all the variables
2x+6=0
We move all terms containing x to the left, all other terms to the right
2x=-6
x=-6/2
x=-3

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