15x-18+3x+72=90

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Solution for 15x-18+3x+72=90 equation: 



15x-18+3x+72=90

We move all terms to the left:

15x-18+3x+72-(90)=0

We add all the numbers together, and all the variables

18x-36=0

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

18x=36

x=36/18

x=2

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