2(9y+18)-9=9(6y-10)

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Solution for 2(9y+18)-9=9(6y-10) equation:


Simplifying
2(9y + 18) + -9 = 9(6y + -10)

Reorder the terms:
2(18 + 9y) + -9 = 9(6y + -10)
(18 * 2 + 9y * 2) + -9 = 9(6y + -10)
(36 + 18y) + -9 = 9(6y + -10)

Reorder the terms:
36 + -9 + 18y = 9(6y + -10)

Combine like terms: 36 + -9 = 27
27 + 18y = 9(6y + -10)

Reorder the terms:
27 + 18y = 9(-10 + 6y)
27 + 18y = (-10 * 9 + 6y * 9)
27 + 18y = (-90 + 54y)

Solving
27 + 18y = -90 + 54y

Solving for variable 'y'.

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

Add '-54y' to each side of the equation.
27 + 18y + -54y = -90 + 54y + -54y

Combine like terms: 18y + -54y = -36y
27 + -36y = -90 + 54y + -54y

Combine like terms: 54y + -54y = 0
27 + -36y = -90 + 0
27 + -36y = -90

Add '-27' to each side of the equation.
27 + -27 + -36y = -90 + -27

Combine like terms: 27 + -27 = 0
0 + -36y = -90 + -27
-36y = -90 + -27

Combine like terms: -90 + -27 = -117
-36y = -117

Divide each side by '-36'.
y = 3.25

Simplifying
y = 3.25

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