15x+45=-18x-72

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Solution for 15x+45=-18x-72 equation: 



15x+45=-18x-72

We move all terms to the left:

15x+45-(-18x-72)=0

We get rid of parentheses

15x+18x+72+45=0

We add all the numbers together, and all the variables

33x+117=0

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

33x=-117

x=-117/33

x=-3+6/11

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