(8-y)-(13+20y)=

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Solution for (8-y)-(13+20y)= equation:


Simplifying
(8 + -1y) + -1(13 + 20y) = 0

Remove parenthesis around (8 + -1y)
8 + -1y + -1(13 + 20y) = 0
8 + -1y + (13 * -1 + 20y * -1) = 0
8 + -1y + (-13 + -20y) = 0

Reorder the terms:
8 + -13 + -1y + -20y = 0

Combine like terms: 8 + -13 = -5
-5 + -1y + -20y = 0

Combine like terms: -1y + -20y = -21y
-5 + -21y = 0

Solving
-5 + -21y = 0

Solving for variable 'y'.

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

Add '5' to each side of the equation.
-5 + 5 + -21y = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -21y = 0 + 5
-21y = 0 + 5

Combine like terms: 0 + 5 = 5
-21y = 5

Divide each side by '-21'.
y = -0.2380952381

Simplifying
y = -0.2380952381

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