x-1+3=2x-7

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Solution for x-1+3=2x-7 equation: 



x-1+3=2x-7

We move all terms to the left:

x-1+3-(2x-7)=0

We add all the numbers together, and all the variables

x-(2x-7)+2=0

We get rid of parentheses

x-2x+7+2=0

We add all the numbers together, and all the variables

-1x+9=0

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

-x=-9

x=-9/-1

x=+9

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