15-[2+8y-3(y+2)]=-4(2y-3)-[7(y-1)-8y+6]

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Solution for 15-[2+8y-3(y+2)]=-4(2y-3)-[7(y-1)-8y+6] equation:


Simplifying
15 + -1[2 + 8y + -3(y + 2)] = -4(2y + -3) + -1[7(y + -1) + -8y + 6]

Reorder the terms:
15 + -1[2 + 8y + -3(2 + y)] = -4(2y + -3) + -1[7(y + -1) + -8y + 6]
15 + -1[2 + 8y + (2 * -3 + y * -3)] = -4(2y + -3) + -1[7(y + -1) + -8y + 6]
15 + -1[2 + 8y + (-6 + -3y)] = -4(2y + -3) + -1[7(y + -1) + -8y + 6]

Reorder the terms:
15 + -1[2 + -6 + 8y + -3y] = -4(2y + -3) + -1[7(y + -1) + -8y + 6]

Combine like terms: 2 + -6 = -4
15 + -1[-4 + 8y + -3y] = -4(2y + -3) + -1[7(y + -1) + -8y + 6]

Combine like terms: 8y + -3y = 5y
15 + -1[-4 + 5y] = -4(2y + -3) + -1[7(y + -1) + -8y + 6]
15 + [-4 * -1 + 5y * -1] = -4(2y + -3) + -1[7(y + -1) + -8y + 6]
15 + [4 + -5y] = -4(2y + -3) + -1[7(y + -1) + -8y + 6]

Combine like terms: 15 + 4 = 19
19 + -5y = -4(2y + -3) + -1[7(y + -1) + -8y + 6]

Reorder the terms:
19 + -5y = -4(-3 + 2y) + -1[7(y + -1) + -8y + 6]
19 + -5y = (-3 * -4 + 2y * -4) + -1[7(y + -1) + -8y + 6]
19 + -5y = (12 + -8y) + -1[7(y + -1) + -8y + 6]

Reorder the terms:
19 + -5y = 12 + -8y + -1[7(-1 + y) + -8y + 6]
19 + -5y = 12 + -8y + -1[(-1 * 7 + y * 7) + -8y + 6]
19 + -5y = 12 + -8y + -1[(-7 + 7y) + -8y + 6]

Reorder the terms:
19 + -5y = 12 + -8y + -1[-7 + 6 + 7y + -8y]

Combine like terms: -7 + 6 = -1
19 + -5y = 12 + -8y + -1[-1 + 7y + -8y]

Combine like terms: 7y + -8y = -1y
19 + -5y = 12 + -8y + -1[-1 + -1y]
19 + -5y = 12 + -8y + [-1 * -1 + -1y * -1]
19 + -5y = 12 + -8y + [1 + 1y]

Reorder the terms:
19 + -5y = 12 + 1 + -8y + 1y

Combine like terms: 12 + 1 = 13
19 + -5y = 13 + -8y + 1y

Combine like terms: -8y + 1y = -7y
19 + -5y = 13 + -7y

Solving
19 + -5y = 13 + -7y

Solving for variable 'y'.

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

Add '7y' to each side of the equation.
19 + -5y + 7y = 13 + -7y + 7y

Combine like terms: -5y + 7y = 2y
19 + 2y = 13 + -7y + 7y

Combine like terms: -7y + 7y = 0
19 + 2y = 13 + 0
19 + 2y = 13

Add '-19' to each side of the equation.
19 + -19 + 2y = 13 + -19

Combine like terms: 19 + -19 = 0
0 + 2y = 13 + -19
2y = 13 + -19

Combine like terms: 13 + -19 = -6
2y = -6

Divide each side by '2'.
y = -3

Simplifying
y = -3

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