13y-9y=20

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Solution for 13y-9y=20 equation: 


Simplifying
13y + -9y = 20

Combine like terms: 13y + -9y = 4y
4y = 20

Solving
4y = 20

Solving for variable 'y'.

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

Divide each side by '4'.
y = 5

Simplifying
y = 5

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