-3y-9=5y+15

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Solution for -3y-9=5y+15 equation:


Simplifying
-3y + -9 = 5y + 15

Reorder the terms:
-9 + -3y = 5y + 15

Reorder the terms:
-9 + -3y = 15 + 5y

Solving
-9 + -3y = 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.
-9 + -3y + -5y = 15 + 5y + -5y

Combine like terms: -3y + -5y = -8y
-9 + -8y = 15 + 5y + -5y

Combine like terms: 5y + -5y = 0
-9 + -8y = 15 + 0
-9 + -8y = 15

Add '9' to each side of the equation.
-9 + 9 + -8y = 15 + 9

Combine like terms: -9 + 9 = 0
0 + -8y = 15 + 9
-8y = 15 + 9

Combine like terms: 15 + 9 = 24
-8y = 24

Divide each side by '-8'.
y = -3

Simplifying
y = -3

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