2x+x+45=8x+15

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Solution for 2x+x+45=8x+15 equation: 



2x+x+45=8x+15

We move all terms to the left:

2x+x+45-(8x+15)=0

We add all the numbers together, and all the variables

3x-(8x+15)+45=0

We get rid of parentheses

3x-8x-15+45=0

We add all the numbers together, and all the variables

-5x+30=0

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

-5x=-30

x=-30/-5

x=+6

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