15=2y-9

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Solution for 15=2y-9 equation:


Simplifying
15 = 2y + -9

Reorder the terms:
15 = -9 + 2y

Solving
15 = -9 + 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.
15 + -2y = -9 + 2y + -2y

Combine like terms: 2y + -2y = 0
15 + -2y = -9 + 0
15 + -2y = -9

Add '-15' to each side of the equation.
15 + -15 + -2y = -9 + -15

Combine like terms: 15 + -15 = 0
0 + -2y = -9 + -15
-2y = -9 + -15

Combine like terms: -9 + -15 = -24
-2y = -24

Divide each side by '-2'.
y = 12

Simplifying
y = 12

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