-8y+15=4y-9

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


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

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

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

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

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
15 + -8y + -4y = -9 + 4y + -4y

Combine like terms: -8y + -4y = -12y
15 + -12y = -9 + 4y + -4y

Combine like terms: 4y + -4y = 0
15 + -12y = -9 + 0
15 + -12y = -9

Add '-15' to each side of the equation.
15 + -15 + -12y = -9 + -15

Combine like terms: 15 + -15 = 0
0 + -12y = -9 + -15
-12y = -9 + -15

Combine like terms: -9 + -15 = -24
-12y = -24

Divide each side by '-12'.
y = 2

Simplifying
y = 2

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