8[3+2(2y+3)]=-2[16-(y+7)]

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Solution for 8[3+2(2y+3)]=-2[16-(y+7)] equation:


Simplifying
8[3 + 2(2y + 3)] = -2[16 + -1(y + 7)]

Reorder the terms:
8[3 + 2(3 + 2y)] = -2[16 + -1(y + 7)]
8[3 + (3 * 2 + 2y * 2)] = -2[16 + -1(y + 7)]
8[3 + (6 + 4y)] = -2[16 + -1(y + 7)]

Combine like terms: 3 + 6 = 9
8[9 + 4y] = -2[16 + -1(y + 7)]
[9 * 8 + 4y * 8] = -2[16 + -1(y + 7)]
[72 + 32y] = -2[16 + -1(y + 7)]

Reorder the terms:
72 + 32y = -2[16 + -1(7 + y)]
72 + 32y = -2[16 + (7 * -1 + y * -1)]
72 + 32y = -2[16 + (-7 + -1y)]

Combine like terms: 16 + -7 = 9
72 + 32y = -2[9 + -1y]
72 + 32y = [9 * -2 + -1y * -2]
72 + 32y = [-18 + 2y]

Solving
72 + 32y = -18 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
72 + 32y + -2y = -18 + 2y + -2y

Combine like terms: 32y + -2y = 30y
72 + 30y = -18 + 2y + -2y

Combine like terms: 2y + -2y = 0
72 + 30y = -18 + 0
72 + 30y = -18

Add '-72' to each side of the equation.
72 + -72 + 30y = -18 + -72

Combine like terms: 72 + -72 = 0
0 + 30y = -18 + -72
30y = -18 + -72

Combine like terms: -18 + -72 = -90
30y = -90

Divide each side by '30'.
y = -3

Simplifying
y = -3

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