-2-[1+9y-4(y+5)]=-5(3y-7)-[9(y-1)-17y+31]

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Solution for -2-[1+9y-4(y+5)]=-5(3y-7)-[9(y-1)-17y+31] equation:


Simplifying
-2 + -1[1 + 9y + -4(y + 5)] = -5(3y + -7) + -1[9(y + -1) + -17y + 31]

Reorder the terms:
-2 + -1[1 + 9y + -4(5 + y)] = -5(3y + -7) + -1[9(y + -1) + -17y + 31]
-2 + -1[1 + 9y + (5 * -4 + y * -4)] = -5(3y + -7) + -1[9(y + -1) + -17y + 31]
-2 + -1[1 + 9y + (-20 + -4y)] = -5(3y + -7) + -1[9(y + -1) + -17y + 31]

Reorder the terms:
-2 + -1[1 + -20 + 9y + -4y] = -5(3y + -7) + -1[9(y + -1) + -17y + 31]

Combine like terms: 1 + -20 = -19
-2 + -1[-19 + 9y + -4y] = -5(3y + -7) + -1[9(y + -1) + -17y + 31]

Combine like terms: 9y + -4y = 5y
-2 + -1[-19 + 5y] = -5(3y + -7) + -1[9(y + -1) + -17y + 31]
-2 + [-19 * -1 + 5y * -1] = -5(3y + -7) + -1[9(y + -1) + -17y + 31]
-2 + [19 + -5y] = -5(3y + -7) + -1[9(y + -1) + -17y + 31]

Combine like terms: -2 + 19 = 17
17 + -5y = -5(3y + -7) + -1[9(y + -1) + -17y + 31]

Reorder the terms:
17 + -5y = -5(-7 + 3y) + -1[9(y + -1) + -17y + 31]
17 + -5y = (-7 * -5 + 3y * -5) + -1[9(y + -1) + -17y + 31]
17 + -5y = (35 + -15y) + -1[9(y + -1) + -17y + 31]

Reorder the terms:
17 + -5y = 35 + -15y + -1[9(-1 + y) + -17y + 31]
17 + -5y = 35 + -15y + -1[(-1 * 9 + y * 9) + -17y + 31]
17 + -5y = 35 + -15y + -1[(-9 + 9y) + -17y + 31]

Reorder the terms:
17 + -5y = 35 + -15y + -1[-9 + 31 + 9y + -17y]

Combine like terms: -9 + 31 = 22
17 + -5y = 35 + -15y + -1[22 + 9y + -17y]

Combine like terms: 9y + -17y = -8y
17 + -5y = 35 + -15y + -1[22 + -8y]
17 + -5y = 35 + -15y + [22 * -1 + -8y * -1]
17 + -5y = 35 + -15y + [-22 + 8y]

Reorder the terms:
17 + -5y = 35 + -22 + -15y + 8y

Combine like terms: 35 + -22 = 13
17 + -5y = 13 + -15y + 8y

Combine like terms: -15y + 8y = -7y
17 + -5y = 13 + -7y

Solving
17 + -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.
17 + -5y + 7y = 13 + -7y + 7y

Combine like terms: -5y + 7y = 2y
17 + 2y = 13 + -7y + 7y

Combine like terms: -7y + 7y = 0
17 + 2y = 13 + 0
17 + 2y = 13

Add '-17' to each side of the equation.
17 + -17 + 2y = 13 + -17

Combine like terms: 17 + -17 = 0
0 + 2y = 13 + -17
2y = 13 + -17

Combine like terms: 13 + -17 = -4
2y = -4

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

Simplifying
y = -2

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