3x-(x-1)=4x+7

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Solution for 3x-(x-1)=4x+7 equation: 



3x-(x-1)=4x+7

We move all terms to the left:

3x-(x-1)-(4x+7)=0

We get rid of parentheses

3x-x-4x+1-7=0

We add all the numbers together, and all the variables

-2x-6=0

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

-2x=6

x=6/-2

x=-3

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