4[2-4(y-1)]=4(2y+9)

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Solution for 4[2-4(y-1)]=4(2y+9) equation:


Simplifying
4[2 + -4(y + -1)] = 4(2y + 9)

Reorder the terms:
4[2 + -4(-1 + y)] = 4(2y + 9)
4[2 + (-1 * -4 + y * -4)] = 4(2y + 9)
4[2 + (4 + -4y)] = 4(2y + 9)

Combine like terms: 2 + 4 = 6
4[6 + -4y] = 4(2y + 9)
[6 * 4 + -4y * 4] = 4(2y + 9)
[24 + -16y] = 4(2y + 9)

Reorder the terms:
24 + -16y = 4(9 + 2y)
24 + -16y = (9 * 4 + 2y * 4)
24 + -16y = (36 + 8y)

Solving
24 + -16y = 36 + 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.
24 + -16y + -8y = 36 + 8y + -8y

Combine like terms: -16y + -8y = -24y
24 + -24y = 36 + 8y + -8y

Combine like terms: 8y + -8y = 0
24 + -24y = 36 + 0
24 + -24y = 36

Add '-24' to each side of the equation.
24 + -24 + -24y = 36 + -24

Combine like terms: 24 + -24 = 0
0 + -24y = 36 + -24
-24y = 36 + -24

Combine like terms: 36 + -24 = 12
-24y = 12

Divide each side by '-24'.
y = -0.5

Simplifying
y = -0.5

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