2(-y+9)-y=-3

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Solution for 2(-y+9)-y=-3 equation:


Simplifying
2(-1y + 9) + -1y = -3

Reorder the terms:
2(9 + -1y) + -1y = -3
(9 * 2 + -1y * 2) + -1y = -3
(18 + -2y) + -1y = -3

Combine like terms: -2y + -1y = -3y
18 + -3y = -3

Solving
18 + -3y = -3

Solving for variable 'y'.

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

Add '-18' to each side of the equation.
18 + -18 + -3y = -3 + -18

Combine like terms: 18 + -18 = 0
0 + -3y = -3 + -18
-3y = -3 + -18

Combine like terms: -3 + -18 = -21
-3y = -21

Divide each side by '-3'.
y = 7

Simplifying
y = 7

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