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

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


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

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

Remove parenthesis around (-8 + -2y)
13 = -8 + -2y + 3y

Combine like terms: -2y + 3y = 1y
13 = -8 + 1y

Solving
13 = -8 + 1y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
13 + -1y = -8 + 1y + -1y

Combine like terms: 1y + -1y = 0
13 + -1y = -8 + 0
13 + -1y = -8

Add '-13' to each side of the equation.
13 + -13 + -1y = -8 + -13

Combine like terms: 13 + -13 = 0
0 + -1y = -8 + -13
-1y = -8 + -13

Combine like terms: -8 + -13 = -21
-1y = -21

Divide each side by '-1'.
y = 21

Simplifying
y = 21

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