-2y-15=5y+20

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Solution for -2y-15=5y+20 equation: 


Simplifying
-2y + -15 = 5y + 20

Reorder the terms:
-15 + -2y = 5y + 20

Reorder the terms:
-15 + -2y = 20 + 5y

Solving
-15 + -2y = 20 + 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 + -2y + -5y = 20 + 5y + -5y

Combine like terms: -2y + -5y = -7y
-15 + -7y = 20 + 5y + -5y

Combine like terms: 5y + -5y = 0
-15 + -7y = 20 + 0
-15 + -7y = 20

Add '15' to each side of the equation.
-15 + 15 + -7y = 20 + 15

Combine like terms: -15 + 15 = 0
0 + -7y = 20 + 15
-7y = 20 + 15

Combine like terms: 20 + 15 = 35
-7y = 35

Divide each side by '-7'.
y = -5

Simplifying
y = -5

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