7x-15=9x-23

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Solution for 7x-15=9x-23 equation: 



7x-15=9x-23

We move all terms to the left:

7x-15-(9x-23)=0

We get rid of parentheses

7x-9x+23-15=0

We add all the numbers together, and all the variables

-2x+8=0

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

-2x=-8

x=-8/-2

x=+4

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