13x-9=7x+45

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Solution for 13x-9=7x+45 equation: 



13x-9=7x+45

We move all terms to the left:

13x-9-(7x+45)=0

We get rid of parentheses

13x-7x-45-9=0

We add all the numbers together, and all the variables

6x-54=0

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

6x=54

x=54/6

x=9

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