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

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


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

Reorder the terms:
-5(-4 + 4y) + 9y = 7(y + 5)
(-4 * -5 + 4y * -5) + 9y = 7(y + 5)
(20 + -20y) + 9y = 7(y + 5)

Combine like terms: -20y + 9y = -11y
20 + -11y = 7(y + 5)

Reorder the terms:
20 + -11y = 7(5 + y)
20 + -11y = (5 * 7 + y * 7)
20 + -11y = (35 + 7y)

Solving
20 + -11y = 35 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
20 + -11y + -7y = 35 + 7y + -7y

Combine like terms: -11y + -7y = -18y
20 + -18y = 35 + 7y + -7y

Combine like terms: 7y + -7y = 0
20 + -18y = 35 + 0
20 + -18y = 35

Add '-20' to each side of the equation.
20 + -20 + -18y = 35 + -20

Combine like terms: 20 + -20 = 0
0 + -18y = 35 + -20
-18y = 35 + -20

Combine like terms: 35 + -20 = 15
-18y = 15

Divide each side by '-18'.
y = -0.8333333333

Simplifying
y = -0.8333333333

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