-2(9y-9)+7y=5(y+4)

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Solution for -2(9y-9)+7y=5(y+4) equation:


Simplifying
-2(9y + -9) + 7y = 5(y + 4)

Reorder the terms:
-2(-9 + 9y) + 7y = 5(y + 4)
(-9 * -2 + 9y * -2) + 7y = 5(y + 4)
(18 + -18y) + 7y = 5(y + 4)

Combine like terms: -18y + 7y = -11y
18 + -11y = 5(y + 4)

Reorder the terms:
18 + -11y = 5(4 + y)
18 + -11y = (4 * 5 + y * 5)
18 + -11y = (20 + 5y)

Solving
18 + -11y = 20 + 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 + -11y + -5y = 20 + 5y + -5y

Combine like terms: -11y + -5y = -16y
18 + -16y = 20 + 5y + -5y

Combine like terms: 5y + -5y = 0
18 + -16y = 20 + 0
18 + -16y = 20

Add '-18' to each side of the equation.
18 + -18 + -16y = 20 + -18

Combine like terms: 18 + -18 = 0
0 + -16y = 20 + -18
-16y = 20 + -18

Combine like terms: 20 + -18 = 2
-16y = 2

Divide each side by '-16'.
y = -0.125

Simplifying
y = -0.125

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