3y-4(4y-5)=-4-4(-4-y)

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Solution for 3y-4(4y-5)=-4-4(-4-y) equation:


Simplifying
3y + -4(4y + -5) = -4 + -4(-4 + -1y)

Reorder the terms:
3y + -4(-5 + 4y) = -4 + -4(-4 + -1y)
3y + (-5 * -4 + 4y * -4) = -4 + -4(-4 + -1y)
3y + (20 + -16y) = -4 + -4(-4 + -1y)

Reorder the terms:
20 + 3y + -16y = -4 + -4(-4 + -1y)

Combine like terms: 3y + -16y = -13y
20 + -13y = -4 + -4(-4 + -1y)
20 + -13y = -4 + (-4 * -4 + -1y * -4)
20 + -13y = -4 + (16 + 4y)

Combine like terms: -4 + 16 = 12
20 + -13y = 12 + 4y

Solving
20 + -13y = 12 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
20 + -13y + -4y = 12 + 4y + -4y

Combine like terms: -13y + -4y = -17y
20 + -17y = 12 + 4y + -4y

Combine like terms: 4y + -4y = 0
20 + -17y = 12 + 0
20 + -17y = 12

Add '-20' to each side of the equation.
20 + -20 + -17y = 12 + -20

Combine like terms: 20 + -20 = 0
0 + -17y = 12 + -20
-17y = 12 + -20

Combine like terms: 12 + -20 = -8
-17y = -8

Divide each side by '-17'.
y = 0.4705882353

Simplifying
y = 0.4705882353

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