15+5y=13y-9

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Solution for 15+5y=13y-9 equation:


Simplifying
15 + 5y = 13y + -9

Reorder the terms:
15 + 5y = -9 + 13y

Solving
15 + 5y = -9 + 13y

Solving for variable 'y'.

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

Add '-13y' to each side of the equation.
15 + 5y + -13y = -9 + 13y + -13y

Combine like terms: 5y + -13y = -8y
15 + -8y = -9 + 13y + -13y

Combine like terms: 13y + -13y = 0
15 + -8y = -9 + 0
15 + -8y = -9

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

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

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

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

Simplifying
y = 3

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