13-(-y-5)=2(y+3)-8(y+3)

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Solution for 13-(-y-5)=2(y+3)-8(y+3) equation:


Simplifying
13 + -1(-1y + -5) = 2(y + 3) + -8(y + 3)

Reorder the terms:
13 + -1(-5 + -1y) = 2(y + 3) + -8(y + 3)
13 + (-5 * -1 + -1y * -1) = 2(y + 3) + -8(y + 3)
13 + (5 + 1y) = 2(y + 3) + -8(y + 3)

Combine like terms: 13 + 5 = 18
18 + 1y = 2(y + 3) + -8(y + 3)

Reorder the terms:
18 + 1y = 2(3 + y) + -8(y + 3)
18 + 1y = (3 * 2 + y * 2) + -8(y + 3)
18 + 1y = (6 + 2y) + -8(y + 3)

Reorder the terms:
18 + 1y = 6 + 2y + -8(3 + y)
18 + 1y = 6 + 2y + (3 * -8 + y * -8)
18 + 1y = 6 + 2y + (-24 + -8y)

Reorder the terms:
18 + 1y = 6 + -24 + 2y + -8y

Combine like terms: 6 + -24 = -18
18 + 1y = -18 + 2y + -8y

Combine like terms: 2y + -8y = -6y
18 + 1y = -18 + -6y

Solving
18 + 1y = -18 + -6y

Solving for variable 'y'.

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

Add '6y' to each side of the equation.
18 + 1y + 6y = -18 + -6y + 6y

Combine like terms: 1y + 6y = 7y
18 + 7y = -18 + -6y + 6y

Combine like terms: -6y + 6y = 0
18 + 7y = -18 + 0
18 + 7y = -18

Add '-18' to each side of the equation.
18 + -18 + 7y = -18 + -18

Combine like terms: 18 + -18 = 0
0 + 7y = -18 + -18
7y = -18 + -18

Combine like terms: -18 + -18 = -36
7y = -36

Divide each side by '7'.
y = -5.142857143

Simplifying
y = -5.142857143

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