9y-4y=20

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Solution for 9y-4y=20 equation: 


Simplifying
9y + -4y = 20

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

Solving
5y = 20

Solving for variable 'y'.

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

Divide each side by '5'.
y = 4

Simplifying
y = 4

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