20=40+8y

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Solution for 20=40+8y equation:


Simplifying
20 = 40 + 8y

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

Combine like terms: 8y + -8y = 0
20 + -8y = 40 + 0
20 + -8y = 40

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

Combine like terms: 20 + -20 = 0
0 + -8y = 40 + -20
-8y = 40 + -20

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

Divide each side by '-8'.
y = -2.5

Simplifying
y = -2.5

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