-12=2(y-9)

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Solution for -12=2(y-9) equation:


Simplifying
-12 = 2(y + -9)

Reorder the terms:
-12 = 2(-9 + y)
-12 = (-9 * 2 + y * 2)
-12 = (-18 + 2y)

Solving
-12 = -18 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
-12 + -2y = -18 + 2y + -2y

Combine like terms: 2y + -2y = 0
-12 + -2y = -18 + 0
-12 + -2y = -18

Add '12' to each side of the equation.
-12 + 12 + -2y = -18 + 12

Combine like terms: -12 + 12 = 0
0 + -2y = -18 + 12
-2y = -18 + 12

Combine like terms: -18 + 12 = -6
-2y = -6

Divide each side by '-2'.
y = 3

Simplifying
y = 3

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