18-[1+6y-4(y+3)]=-5(3y-4)-[6(y-1)-16y+15]

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Solution for 18-[1+6y-4(y+3)]=-5(3y-4)-[6(y-1)-16y+15] equation:


Simplifying
18 + -1[1 + 6y + -4(y + 3)] = -5(3y + -4) + -1[6(y + -1) + -16y + 15]

Reorder the terms:
18 + -1[1 + 6y + -4(3 + y)] = -5(3y + -4) + -1[6(y + -1) + -16y + 15]
18 + -1[1 + 6y + (3 * -4 + y * -4)] = -5(3y + -4) + -1[6(y + -1) + -16y + 15]
18 + -1[1 + 6y + (-12 + -4y)] = -5(3y + -4) + -1[6(y + -1) + -16y + 15]

Reorder the terms:
18 + -1[1 + -12 + 6y + -4y] = -5(3y + -4) + -1[6(y + -1) + -16y + 15]

Combine like terms: 1 + -12 = -11
18 + -1[-11 + 6y + -4y] = -5(3y + -4) + -1[6(y + -1) + -16y + 15]

Combine like terms: 6y + -4y = 2y
18 + -1[-11 + 2y] = -5(3y + -4) + -1[6(y + -1) + -16y + 15]
18 + [-11 * -1 + 2y * -1] = -5(3y + -4) + -1[6(y + -1) + -16y + 15]
18 + [11 + -2y] = -5(3y + -4) + -1[6(y + -1) + -16y + 15]

Combine like terms: 18 + 11 = 29
29 + -2y = -5(3y + -4) + -1[6(y + -1) + -16y + 15]

Reorder the terms:
29 + -2y = -5(-4 + 3y) + -1[6(y + -1) + -16y + 15]
29 + -2y = (-4 * -5 + 3y * -5) + -1[6(y + -1) + -16y + 15]
29 + -2y = (20 + -15y) + -1[6(y + -1) + -16y + 15]

Reorder the terms:
29 + -2y = 20 + -15y + -1[6(-1 + y) + -16y + 15]
29 + -2y = 20 + -15y + -1[(-1 * 6 + y * 6) + -16y + 15]
29 + -2y = 20 + -15y + -1[(-6 + 6y) + -16y + 15]

Reorder the terms:
29 + -2y = 20 + -15y + -1[-6 + 15 + 6y + -16y]

Combine like terms: -6 + 15 = 9
29 + -2y = 20 + -15y + -1[9 + 6y + -16y]

Combine like terms: 6y + -16y = -10y
29 + -2y = 20 + -15y + -1[9 + -10y]
29 + -2y = 20 + -15y + [9 * -1 + -10y * -1]
29 + -2y = 20 + -15y + [-9 + 10y]

Reorder the terms:
29 + -2y = 20 + -9 + -15y + 10y

Combine like terms: 20 + -9 = 11
29 + -2y = 11 + -15y + 10y

Combine like terms: -15y + 10y = -5y
29 + -2y = 11 + -5y

Solving
29 + -2y = 11 + -5y

Solving for variable 'y'.

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

Add '5y' to each side of the equation.
29 + -2y + 5y = 11 + -5y + 5y

Combine like terms: -2y + 5y = 3y
29 + 3y = 11 + -5y + 5y

Combine like terms: -5y + 5y = 0
29 + 3y = 11 + 0
29 + 3y = 11

Add '-29' to each side of the equation.
29 + -29 + 3y = 11 + -29

Combine like terms: 29 + -29 = 0
0 + 3y = 11 + -29
3y = 11 + -29

Combine like terms: 11 + -29 = -18
3y = -18

Divide each side by '3'.
y = -6

Simplifying
y = -6

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