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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

6x+4=0

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

6x=-4

x=-4/6

x=-2/3

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