8x+72=2x-18

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Solution for 8x+72=2x-18 equation: 



8x+72=2x-18

We move all terms to the left:

8x+72-(2x-18)=0

We get rid of parentheses

8x-2x+18+72=0

We add all the numbers together, and all the variables

6x+90=0

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

6x=-90

x=-90/6

x=-15

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