2r-9y=15

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Solution for 2r-9y=15 equation: 


Simplifying
2r + -9y = 15

Solving
2r + -9y = 15

Solving for variable 'r'.

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

Add '9y' to each side of the equation.
2r + -9y + 9y = 15 + 9y

Combine like terms: -9y + 9y = 0
2r + 0 = 15 + 9y
2r = 15 + 9y

Divide each side by '2'.
r = 7.5 + 4.5y

Simplifying
r = 7.5 + 4.5y

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