20y-20+20y=8y-100

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Solution for 20y-20+20y=8y-100 equation:


Simplifying
20y + -20 + 20y = 8y + -100

Reorder the terms:
-20 + 20y + 20y = 8y + -100

Combine like terms: 20y + 20y = 40y
-20 + 40y = 8y + -100

Reorder the terms:
-20 + 40y = -100 + 8y

Solving
-20 + 40y = -100 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
-20 + 40y + -8y = -100 + 8y + -8y

Combine like terms: 40y + -8y = 32y
-20 + 32y = -100 + 8y + -8y

Combine like terms: 8y + -8y = 0
-20 + 32y = -100 + 0
-20 + 32y = -100

Add '20' to each side of the equation.
-20 + 20 + 32y = -100 + 20

Combine like terms: -20 + 20 = 0
0 + 32y = -100 + 20
32y = -100 + 20

Combine like terms: -100 + 20 = -80
32y = -80

Divide each side by '32'.
y = -2.5

Simplifying
y = -2.5

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