9y-4(y-8)=4-9(y-9)

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Solution for 9y-4(y-8)=4-9(y-9) equation:


Simplifying
9y + -4(y + -8) = 4 + -9(y + -9)

Reorder the terms:
9y + -4(-8 + y) = 4 + -9(y + -9)
9y + (-8 * -4 + y * -4) = 4 + -9(y + -9)
9y + (32 + -4y) = 4 + -9(y + -9)

Reorder the terms:
32 + 9y + -4y = 4 + -9(y + -9)

Combine like terms: 9y + -4y = 5y
32 + 5y = 4 + -9(y + -9)

Reorder the terms:
32 + 5y = 4 + -9(-9 + y)
32 + 5y = 4 + (-9 * -9 + y * -9)
32 + 5y = 4 + (81 + -9y)

Combine like terms: 4 + 81 = 85
32 + 5y = 85 + -9y

Solving
32 + 5y = 85 + -9y

Solving for variable 'y'.

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

Add '9y' to each side of the equation.
32 + 5y + 9y = 85 + -9y + 9y

Combine like terms: 5y + 9y = 14y
32 + 14y = 85 + -9y + 9y

Combine like terms: -9y + 9y = 0
32 + 14y = 85 + 0
32 + 14y = 85

Add '-32' to each side of the equation.
32 + -32 + 14y = 85 + -32

Combine like terms: 32 + -32 = 0
0 + 14y = 85 + -32
14y = 85 + -32

Combine like terms: 85 + -32 = 53
14y = 53

Divide each side by '14'.
y = 3.785714286

Simplifying
y = 3.785714286

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