5r+7s=15

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Solution for 5r+7s=15 equation: 


Simplifying
5r + 7s = 15

Solving
5r + 7s = 15

Solving for variable 'r'.

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

Add '-7s' to each side of the equation.
5r + 7s + -7s = 15 + -7s

Combine like terms: 7s + -7s = 0
5r + 0 = 15 + -7s
5r = 15 + -7s

Divide each side by '5'.
r = 3 + -1.4s

Simplifying
r = 3 + -1.4s

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