-3y-15=2(y+5)

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Solution for -3y-15=2(y+5) equation:


Simplifying
-3y + -15 = 2(y + 5)

Reorder the terms:
-15 + -3y = 2(y + 5)

Reorder the terms:
-15 + -3y = 2(5 + y)
-15 + -3y = (5 * 2 + y * 2)
-15 + -3y = (10 + 2y)

Solving
-15 + -3y = 10 + 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.
-15 + -3y + -2y = 10 + 2y + -2y

Combine like terms: -3y + -2y = -5y
-15 + -5y = 10 + 2y + -2y

Combine like terms: 2y + -2y = 0
-15 + -5y = 10 + 0
-15 + -5y = 10

Add '15' to each side of the equation.
-15 + 15 + -5y = 10 + 15

Combine like terms: -15 + 15 = 0
0 + -5y = 10 + 15
-5y = 10 + 15

Combine like terms: 10 + 15 = 25
-5y = 25

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

Simplifying
y = -5

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