2x-45=(670-390)-8x

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Solution for 2x-45=(670-390)-8x equation: 



2x-45=(670-390)-8x

We move all terms to the left:

2x-45-((670-390)-8x)=0

We add all the numbers together, and all the variables

2x-(280-8x)-45=0

We get rid of parentheses

2x+8x-280-45=0

We add all the numbers together, and all the variables

10x-325=0

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

10x=325

x=325/10

x=32+1/2

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