5x-15=7x-45

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Solution for 5x-15=7x-45 equation: 



5x-15=7x-45

We move all terms to the left:

5x-15-(7x-45)=0

We get rid of parentheses

5x-7x+45-15=0

We add all the numbers together, and all the variables

-2x+30=0

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

-2x=-30

x=-30/-2

x=+15

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