2r-3s=9

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Solution for 2r-3s=9 equation: 


Simplifying
2r + -3s = 9

Solving
2r + -3s = 9

Solving for variable 'r'.

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

Add '3s' to each side of the equation.
2r + -3s + 3s = 9 + 3s

Combine like terms: -3s + 3s = 0
2r + 0 = 9 + 3s
2r = 9 + 3s

Divide each side by '2'.
r = 4.5 + 1.5s

Simplifying
r = 4.5 + 1.5s

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