7+2x-1=x-1

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



7+2x-1=x-1

We move all terms to the left:

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

We add all the numbers together, and all the variables

2x-(x-1)+6=0

We get rid of parentheses

2x-x+1+6=0

We add all the numbers together, and all the variables

x+7=0

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

x=-7

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