-2+y+9=0

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Solution for -2+y+9=0 equation: 


Simplifying
-2 + y + 9 = 0

Reorder the terms:
-2 + 9 + y = 0

Combine like terms: -2 + 9 = 7
7 + y = 0

Solving
7 + y = 0

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 + y = 0 + -7

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

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

Simplifying
y = -7

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