8x+40=15x-30

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Solution for 8x+40=15x-30 equation: 



8x+40=15x-30

We move all terms to the left:

8x+40-(15x-30)=0

We get rid of parentheses

8x-15x+30+40=0

We add all the numbers together, and all the variables

-7x+70=0

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

-7x=-70

x=-70/-7

x=+10

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