-4y-15=5y+12

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


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

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

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

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

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

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

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

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

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

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

Simplifying
y = -3

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