5-2y-12=y+9

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


Simplifying
5 + -2y + -12 = y + 9

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

Combine like terms: 5 + -12 = -7
-7 + -2y = y + 9

Reorder the terms:
-7 + -2y = 9 + y

Solving
-7 + -2y = 9 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-7 + -2y + -1y = 9 + y + -1y

Combine like terms: -2y + -1y = -3y
-7 + -3y = 9 + y + -1y

Combine like terms: y + -1y = 0
-7 + -3y = 9 + 0
-7 + -3y = 9

Add '7' to each side of the equation.
-7 + 7 + -3y = 9 + 7

Combine like terms: -7 + 7 = 0
0 + -3y = 9 + 7
-3y = 9 + 7

Combine like terms: 9 + 7 = 16
-3y = 16

Divide each side by '-3'.
y = -5.333333333

Simplifying
y = -5.333333333

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