7x+315=9x+243

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Solution for 7x+315=9x+243 equation: 



7x+315=9x+243

We move all terms to the left:

7x+315-(9x+243)=0

We get rid of parentheses

7x-9x-243+315=0

We add all the numbers together, and all the variables

-2x+72=0

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

-2x=-72

x=-72/-2

x=+36

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