-4y-9(-5y-2)=9-5(-1-y)

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Solution for -4y-9(-5y-2)=9-5(-1-y) equation:


Simplifying
-4y + -9(-5y + -2) = 9 + -5(-1 + -1y)

Reorder the terms:
-4y + -9(-2 + -5y) = 9 + -5(-1 + -1y)
-4y + (-2 * -9 + -5y * -9) = 9 + -5(-1 + -1y)
-4y + (18 + 45y) = 9 + -5(-1 + -1y)

Reorder the terms:
18 + -4y + 45y = 9 + -5(-1 + -1y)

Combine like terms: -4y + 45y = 41y
18 + 41y = 9 + -5(-1 + -1y)
18 + 41y = 9 + (-1 * -5 + -1y * -5)
18 + 41y = 9 + (5 + 5y)

Combine like terms: 9 + 5 = 14
18 + 41y = 14 + 5y

Solving
18 + 41y = 14 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
18 + 41y + -5y = 14 + 5y + -5y

Combine like terms: 41y + -5y = 36y
18 + 36y = 14 + 5y + -5y

Combine like terms: 5y + -5y = 0
18 + 36y = 14 + 0
18 + 36y = 14

Add '-18' to each side of the equation.
18 + -18 + 36y = 14 + -18

Combine like terms: 18 + -18 = 0
0 + 36y = 14 + -18
36y = 14 + -18

Combine like terms: 14 + -18 = -4
36y = -4

Divide each side by '36'.
y = -0.1111111111

Simplifying
y = -0.1111111111

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