2r+5s=39

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Solution for 2r+5s=39 equation: 


Simplifying
2r + 5s = 39

Solving
2r + 5s = 39

Solving for variable 'r'.

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

Add '-5s' to each side of the equation.
2r + 5s + -5s = 39 + -5s

Combine like terms: 5s + -5s = 0
2r + 0 = 39 + -5s
2r = 39 + -5s

Divide each side by '2'.
r = 19.5 + -2.5s

Simplifying
r = 19.5 + -2.5s

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