50-[2+7y-4(y+2)]=-3(4y-7)-[5(y-1)-9y+15]

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Solution for 50-[2+7y-4(y+2)]=-3(4y-7)-[5(y-1)-9y+15] equation:


Simplifying
50 + -1[2 + 7y + -4(y + 2)] = -3(4y + -7) + -1[5(y + -1) + -9y + 15]

Reorder the terms:
50 + -1[2 + 7y + -4(2 + y)] = -3(4y + -7) + -1[5(y + -1) + -9y + 15]
50 + -1[2 + 7y + (2 * -4 + y * -4)] = -3(4y + -7) + -1[5(y + -1) + -9y + 15]
50 + -1[2 + 7y + (-8 + -4y)] = -3(4y + -7) + -1[5(y + -1) + -9y + 15]

Reorder the terms:
50 + -1[2 + -8 + 7y + -4y] = -3(4y + -7) + -1[5(y + -1) + -9y + 15]

Combine like terms: 2 + -8 = -6
50 + -1[-6 + 7y + -4y] = -3(4y + -7) + -1[5(y + -1) + -9y + 15]

Combine like terms: 7y + -4y = 3y
50 + -1[-6 + 3y] = -3(4y + -7) + -1[5(y + -1) + -9y + 15]
50 + [-6 * -1 + 3y * -1] = -3(4y + -7) + -1[5(y + -1) + -9y + 15]
50 + [6 + -3y] = -3(4y + -7) + -1[5(y + -1) + -9y + 15]

Combine like terms: 50 + 6 = 56
56 + -3y = -3(4y + -7) + -1[5(y + -1) + -9y + 15]

Reorder the terms:
56 + -3y = -3(-7 + 4y) + -1[5(y + -1) + -9y + 15]
56 + -3y = (-7 * -3 + 4y * -3) + -1[5(y + -1) + -9y + 15]
56 + -3y = (21 + -12y) + -1[5(y + -1) + -9y + 15]

Reorder the terms:
56 + -3y = 21 + -12y + -1[5(-1 + y) + -9y + 15]
56 + -3y = 21 + -12y + -1[(-1 * 5 + y * 5) + -9y + 15]
56 + -3y = 21 + -12y + -1[(-5 + 5y) + -9y + 15]

Reorder the terms:
56 + -3y = 21 + -12y + -1[-5 + 15 + 5y + -9y]

Combine like terms: -5 + 15 = 10
56 + -3y = 21 + -12y + -1[10 + 5y + -9y]

Combine like terms: 5y + -9y = -4y
56 + -3y = 21 + -12y + -1[10 + -4y]
56 + -3y = 21 + -12y + [10 * -1 + -4y * -1]
56 + -3y = 21 + -12y + [-10 + 4y]

Reorder the terms:
56 + -3y = 21 + -10 + -12y + 4y

Combine like terms: 21 + -10 = 11
56 + -3y = 11 + -12y + 4y

Combine like terms: -12y + 4y = -8y
56 + -3y = 11 + -8y

Solving
56 + -3y = 11 + -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.
56 + -3y + 8y = 11 + -8y + 8y

Combine like terms: -3y + 8y = 5y
56 + 5y = 11 + -8y + 8y

Combine like terms: -8y + 8y = 0
56 + 5y = 11 + 0
56 + 5y = 11

Add '-56' to each side of the equation.
56 + -56 + 5y = 11 + -56

Combine like terms: 56 + -56 = 0
0 + 5y = 11 + -56
5y = 11 + -56

Combine like terms: 11 + -56 = -45
5y = -45

Divide each side by '5'.
y = -9

Simplifying
y = -9

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