-4y-12=5y+15

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Solution for -4y-12=5y+15 equation:


Simplifying
-4y + -12 = 5y + 15

Reorder the terms:
-12 + -4y = 5y + 15

Reorder the terms:
-12 + -4y = 15 + 5y

Solving
-12 + -4y = 15 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
-12 + -4y + -5y = 15 + 5y + -5y

Combine like terms: -4y + -5y = -9y
-12 + -9y = 15 + 5y + -5y

Combine like terms: 5y + -5y = 0
-12 + -9y = 15 + 0
-12 + -9y = 15

Add '12' to each side of the equation.
-12 + 12 + -9y = 15 + 12

Combine like terms: -12 + 12 = 0
0 + -9y = 15 + 12
-9y = 15 + 12

Combine like terms: 15 + 12 = 27
-9y = 27

Divide each side by '-9'.
y = -3

Simplifying
y = -3

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