8y-9=15+2y

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Solution for 8y-9=15+2y equation:


Simplifying
8y + -9 = 15 + 2y

Reorder the terms:
-9 + 8y = 15 + 2y

Solving
-9 + 8y = 15 + 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.
-9 + 8y + -2y = 15 + 2y + -2y

Combine like terms: 8y + -2y = 6y
-9 + 6y = 15 + 2y + -2y

Combine like terms: 2y + -2y = 0
-9 + 6y = 15 + 0
-9 + 6y = 15

Add '9' to each side of the equation.
-9 + 9 + 6y = 15 + 9

Combine like terms: -9 + 9 = 0
0 + 6y = 15 + 9
6y = 15 + 9

Combine like terms: 15 + 9 = 24
6y = 24

Divide each side by '6'.
y = 4

Simplifying
y = 4

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