-129-[7-8y-5(6y-2)]=-(4y-7)-5[5(y-1)-4+6y]

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Solution for -129-[7-8y-5(6y-2)]=-(4y-7)-5[5(y-1)-4+6y] equation:


Simplifying
-129 + -1[7 + -8y + -5(6y + -2)] = -1(4y + -7) + -5[5(y + -1) + -4 + 6y]

Reorder the terms:
-129 + -1[7 + -8y + -5(-2 + 6y)] = -1(4y + -7) + -5[5(y + -1) + -4 + 6y]
-129 + -1[7 + -8y + (-2 * -5 + 6y * -5)] = -1(4y + -7) + -5[5(y + -1) + -4 + 6y]
-129 + -1[7 + -8y + (10 + -30y)] = -1(4y + -7) + -5[5(y + -1) + -4 + 6y]

Reorder the terms:
-129 + -1[7 + 10 + -8y + -30y] = -1(4y + -7) + -5[5(y + -1) + -4 + 6y]

Combine like terms: 7 + 10 = 17
-129 + -1[17 + -8y + -30y] = -1(4y + -7) + -5[5(y + -1) + -4 + 6y]

Combine like terms: -8y + -30y = -38y
-129 + -1[17 + -38y] = -1(4y + -7) + -5[5(y + -1) + -4 + 6y]
-129 + [17 * -1 + -38y * -1] = -1(4y + -7) + -5[5(y + -1) + -4 + 6y]
-129 + [-17 + 38y] = -1(4y + -7) + -5[5(y + -1) + -4 + 6y]

Combine like terms: -129 + -17 = -146
-146 + 38y = -1(4y + -7) + -5[5(y + -1) + -4 + 6y]

Reorder the terms:
-146 + 38y = -1(-7 + 4y) + -5[5(y + -1) + -4 + 6y]
-146 + 38y = (-7 * -1 + 4y * -1) + -5[5(y + -1) + -4 + 6y]
-146 + 38y = (7 + -4y) + -5[5(y + -1) + -4 + 6y]

Reorder the terms:
-146 + 38y = 7 + -4y + -5[5(-1 + y) + -4 + 6y]
-146 + 38y = 7 + -4y + -5[(-1 * 5 + y * 5) + -4 + 6y]
-146 + 38y = 7 + -4y + -5[(-5 + 5y) + -4 + 6y]

Reorder the terms:
-146 + 38y = 7 + -4y + -5[-5 + -4 + 5y + 6y]

Combine like terms: -5 + -4 = -9
-146 + 38y = 7 + -4y + -5[-9 + 5y + 6y]

Combine like terms: 5y + 6y = 11y
-146 + 38y = 7 + -4y + -5[-9 + 11y]
-146 + 38y = 7 + -4y + [-9 * -5 + 11y * -5]
-146 + 38y = 7 + -4y + [45 + -55y]

Reorder the terms:
-146 + 38y = 7 + 45 + -4y + -55y

Combine like terms: 7 + 45 = 52
-146 + 38y = 52 + -4y + -55y

Combine like terms: -4y + -55y = -59y
-146 + 38y = 52 + -59y

Solving
-146 + 38y = 52 + -59y

Solving for variable 'y'.

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

Add '59y' to each side of the equation.
-146 + 38y + 59y = 52 + -59y + 59y

Combine like terms: 38y + 59y = 97y
-146 + 97y = 52 + -59y + 59y

Combine like terms: -59y + 59y = 0
-146 + 97y = 52 + 0
-146 + 97y = 52

Add '146' to each side of the equation.
-146 + 146 + 97y = 52 + 146

Combine like terms: -146 + 146 = 0
0 + 97y = 52 + 146
97y = 52 + 146

Combine like terms: 52 + 146 = 198
97y = 198

Divide each side by '97'.
y = 2.041237113

Simplifying
y = 2.041237113

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