-9y-15=2y+18

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Solution for -9y-15=2y+18 equation:


Simplifying
-9y + -15 = 2y + 18

Reorder the terms:
-15 + -9y = 2y + 18

Reorder the terms:
-15 + -9y = 18 + 2y

Solving
-15 + -9y = 18 + 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.
-15 + -9y + -2y = 18 + 2y + -2y

Combine like terms: -9y + -2y = -11y
-15 + -11y = 18 + 2y + -2y

Combine like terms: 2y + -2y = 0
-15 + -11y = 18 + 0
-15 + -11y = 18

Add '15' to each side of the equation.
-15 + 15 + -11y = 18 + 15

Combine like terms: -15 + 15 = 0
0 + -11y = 18 + 15
-11y = 18 + 15

Combine like terms: 18 + 15 = 33
-11y = 33

Divide each side by '-11'.
y = -3

Simplifying
y = -3

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