(-7+y)+y=1

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Solution for (-7+y)+y=1 equation: 



(-7+y)+y=1

We move all terms to the left:

(-7+y)+y-(1)=0

We add all the numbers together, and all the variables

(y-7)+y-1=0

We add all the numbers together, and all the variables

y+(y-7)-1=0

We get rid of parentheses

y+y-7-1=0

We add all the numbers together, and all the variables

2y-8=0

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

2y=8

y=8/2

y=4

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