5x+15=7x-3=180

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Solution for 5x+15=7x-3=180 equation: 



5x+15=7x-3=180

We move all terms to the left:

5x+15-(7x-3)=0

We get rid of parentheses

5x-7x+3+15=0

We add all the numbers together, and all the variables

-2x+18=0

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

-2x=-18

x=-18/-2

x=+9

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