12+5y=2y-9

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Solution for 12+5y=2y-9 equation:


Simplifying
12 + 5y = 2y + -9

Reorder the terms:
12 + 5y = -9 + 2y

Solving
12 + 5y = -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.
12 + 5y + -2y = -9 + 2y + -2y

Combine like terms: 5y + -2y = 3y
12 + 3y = -9 + 2y + -2y

Combine like terms: 2y + -2y = 0
12 + 3y = -9 + 0
12 + 3y = -9

Add '-12' to each side of the equation.
12 + -12 + 3y = -9 + -12

Combine like terms: 12 + -12 = 0
0 + 3y = -9 + -12
3y = -9 + -12

Combine like terms: -9 + -12 = -21
3y = -21

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

Simplifying
y = -7

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