20+9y=4y

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Solution for 20+9y=4y equation:


Simplifying
20 + 9y = 4y

Solving
20 + 9y = 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
20 + 9y + -4y = 4y + -4y

Combine like terms: 9y + -4y = 5y
20 + 5y = 4y + -4y

Combine like terms: 4y + -4y = 0
20 + 5y = 0

Add '-20' to each side of the equation.
20 + -20 + 5y = 0 + -20

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

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

Divide each side by '5'.
y = -4

Simplifying
y = -4

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