30-[4+7y-4(y+4)]=-2(3y-4)-[9(y-1)-8y+3]

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Solution for 30-[4+7y-4(y+4)]=-2(3y-4)-[9(y-1)-8y+3] equation:


Simplifying
30 + -1[4 + 7y + -4(y + 4)] = -2(3y + -4) + -1[9(y + -1) + -8y + 3]

Reorder the terms:
30 + -1[4 + 7y + -4(4 + y)] = -2(3y + -4) + -1[9(y + -1) + -8y + 3]
30 + -1[4 + 7y + (4 * -4 + y * -4)] = -2(3y + -4) + -1[9(y + -1) + -8y + 3]
30 + -1[4 + 7y + (-16 + -4y)] = -2(3y + -4) + -1[9(y + -1) + -8y + 3]

Reorder the terms:
30 + -1[4 + -16 + 7y + -4y] = -2(3y + -4) + -1[9(y + -1) + -8y + 3]

Combine like terms: 4 + -16 = -12
30 + -1[-12 + 7y + -4y] = -2(3y + -4) + -1[9(y + -1) + -8y + 3]

Combine like terms: 7y + -4y = 3y
30 + -1[-12 + 3y] = -2(3y + -4) + -1[9(y + -1) + -8y + 3]
30 + [-12 * -1 + 3y * -1] = -2(3y + -4) + -1[9(y + -1) + -8y + 3]
30 + [12 + -3y] = -2(3y + -4) + -1[9(y + -1) + -8y + 3]

Combine like terms: 30 + 12 = 42
42 + -3y = -2(3y + -4) + -1[9(y + -1) + -8y + 3]

Reorder the terms:
42 + -3y = -2(-4 + 3y) + -1[9(y + -1) + -8y + 3]
42 + -3y = (-4 * -2 + 3y * -2) + -1[9(y + -1) + -8y + 3]
42 + -3y = (8 + -6y) + -1[9(y + -1) + -8y + 3]

Reorder the terms:
42 + -3y = 8 + -6y + -1[9(-1 + y) + -8y + 3]
42 + -3y = 8 + -6y + -1[(-1 * 9 + y * 9) + -8y + 3]
42 + -3y = 8 + -6y + -1[(-9 + 9y) + -8y + 3]

Reorder the terms:
42 + -3y = 8 + -6y + -1[-9 + 3 + 9y + -8y]

Combine like terms: -9 + 3 = -6
42 + -3y = 8 + -6y + -1[-6 + 9y + -8y]

Combine like terms: 9y + -8y = 1y
42 + -3y = 8 + -6y + -1[-6 + 1y]
42 + -3y = 8 + -6y + [-6 * -1 + 1y * -1]
42 + -3y = 8 + -6y + [6 + -1y]

Reorder the terms:
42 + -3y = 8 + 6 + -6y + -1y

Combine like terms: 8 + 6 = 14
42 + -3y = 14 + -6y + -1y

Combine like terms: -6y + -1y = -7y
42 + -3y = 14 + -7y

Solving
42 + -3y = 14 + -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.
42 + -3y + 7y = 14 + -7y + 7y

Combine like terms: -3y + 7y = 4y
42 + 4y = 14 + -7y + 7y

Combine like terms: -7y + 7y = 0
42 + 4y = 14 + 0
42 + 4y = 14

Add '-42' to each side of the equation.
42 + -42 + 4y = 14 + -42

Combine like terms: 42 + -42 = 0
0 + 4y = 14 + -42
4y = 14 + -42

Combine like terms: 14 + -42 = -28
4y = -28

Divide each side by '4'.
y = -7

Simplifying
y = -7

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