-2y-15=7y+12

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Solution for -2y-15=7y+12 equation:


Simplifying
-2y + -15 = 7y + 12

Reorder the terms:
-15 + -2y = 7y + 12

Reorder the terms:
-15 + -2y = 12 + 7y

Solving
-15 + -2y = 12 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-15 + -2y + -7y = 12 + 7y + -7y

Combine like terms: -2y + -7y = -9y
-15 + -9y = 12 + 7y + -7y

Combine like terms: 7y + -7y = 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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