-3x+45=7x-20

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Solution for -3x+45=7x-20 equation: 



-3x+45=7x-20

We move all terms to the left:

-3x+45-(7x-20)=0

We get rid of parentheses

-3x-7x+20+45=0

We add all the numbers together, and all the variables

-10x+65=0

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

-10x=-65

x=-65/-10

x=6+1/2

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