-5y-9=2y+12

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


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

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

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

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

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

Combine like terms: 2y + -2y = 0
-9 + -7y = 12 + 0
-9 + -7y = 12

Add '9' to each side of the equation.
-9 + 9 + -7y = 12 + 9

Combine like terms: -9 + 9 = 0
0 + -7y = 12 + 9
-7y = 12 + 9

Combine like terms: 12 + 9 = 21
-7y = 21

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

Simplifying
y = -3

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