-15-30-x=-66

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Solution for -15-30-x=-66 equation:



-15-30-x=-66
We move all terms to the left:
-15-30-x-(-66)=0
We add all the numbers together, and all the variables
-1x+21=0
We move all terms containing x to the left, all other terms to the right
-x=-21
x=-21/-1
x=+21

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