7x-15=9x+45

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Solution for 7x-15=9x+45 equation: 



7x-15=9x+45

We move all terms to the left:

7x-15-(9x+45)=0

We get rid of parentheses

7x-9x-45-15=0

We add all the numbers together, and all the variables

-2x-60=0

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

-2x=60

x=60/-2

x=-30

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