-7+y+y=1

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


Simplifying
-7 + y + y = 1

Combine like terms: y + y = 2y
-7 + 2y = 1

Solving
-7 + 2y = 1

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + 2y = 1 + 7

Combine like terms: -7 + 7 = 0
0 + 2y = 1 + 7
2y = 1 + 7

Combine like terms: 1 + 7 = 8
2y = 8

Divide each side by '2'.
y = 4

Simplifying
y = 4

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