20-8y=18+5y+15

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Solution for 20-8y=18+5y+15 equation:


Simplifying
20 + -8y = 18 + 5y + 15

Reorder the terms:
20 + -8y = 18 + 15 + 5y

Combine like terms: 18 + 15 = 33
20 + -8y = 33 + 5y

Solving
20 + -8y = 33 + 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.
20 + -8y + -5y = 33 + 5y + -5y

Combine like terms: -8y + -5y = -13y
20 + -13y = 33 + 5y + -5y

Combine like terms: 5y + -5y = 0
20 + -13y = 33 + 0
20 + -13y = 33

Add '-20' to each side of the equation.
20 + -20 + -13y = 33 + -20

Combine like terms: 20 + -20 = 0
0 + -13y = 33 + -20
-13y = 33 + -20

Combine like terms: 33 + -20 = 13
-13y = 13

Divide each side by '-13'.
y = -1

Simplifying
y = -1

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