-2y+9=-y

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


Simplifying
-2y + 9 = -1y

Reorder the terms:
9 + -2y = -1y

Solving
9 + -2y = -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
9 + -2y + y = -1y + y

Combine like terms: -2y + y = -1y
9 + -1y = -1y + y

Combine like terms: -1y + y = 0
9 + -1y = 0

Add '-9' to each side of the equation.
9 + -9 + -1y = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -1y = 0 + -9
-1y = 0 + -9

Combine like terms: 0 + -9 = -9
-1y = -9

Divide each side by '-1'.
y = 9

Simplifying
y = 9

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