4y-9+2y=8y-15

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Solution for 4y-9+2y=8y-15 equation:


Simplifying
4y + -9 + 2y = 8y + -15

Reorder the terms:
-9 + 4y + 2y = 8y + -15

Combine like terms: 4y + 2y = 6y
-9 + 6y = 8y + -15

Reorder the terms:
-9 + 6y = -15 + 8y

Solving
-9 + 6y = -15 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
-9 + 6y + -8y = -15 + 8y + -8y

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

Combine like terms: 8y + -8y = 0
-9 + -2y = -15 + 0
-9 + -2y = -15

Add '9' to each side of the equation.
-9 + 9 + -2y = -15 + 9

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

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

Divide each side by '-2'.
y = 3

Simplifying
y = 3

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