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

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


Simplifying
8(9y + -4) + -1(8y + 4) = (8y + -8)

Reorder the terms:
8(-4 + 9y) + -1(8y + 4) = (8y + -8)
(-4 * 8 + 9y * 8) + -1(8y + 4) = (8y + -8)
(-32 + 72y) + -1(8y + 4) = (8y + -8)

Reorder the terms:
-32 + 72y + -1(4 + 8y) = (8y + -8)
-32 + 72y + (4 * -1 + 8y * -1) = (8y + -8)
-32 + 72y + (-4 + -8y) = (8y + -8)

Reorder the terms:
-32 + -4 + 72y + -8y = (8y + -8)

Combine like terms: -32 + -4 = -36
-36 + 72y + -8y = (8y + -8)

Combine like terms: 72y + -8y = 64y
-36 + 64y = (8y + -8)

Reorder the terms:
-36 + 64y = (-8 + 8y)

Remove parenthesis around (-8 + 8y)
-36 + 64y = -8 + 8y

Solving
-36 + 64y = -8 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
-36 + 64y + -8y = -8 + 8y + -8y

Combine like terms: 64y + -8y = 56y
-36 + 56y = -8 + 8y + -8y

Combine like terms: 8y + -8y = 0
-36 + 56y = -8 + 0
-36 + 56y = -8

Add '36' to each side of the equation.
-36 + 36 + 56y = -8 + 36

Combine like terms: -36 + 36 = 0
0 + 56y = -8 + 36
56y = -8 + 36

Combine like terms: -8 + 36 = 28
56y = 28

Divide each side by '56'.
y = 0.5

Simplifying
y = 0.5

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