3r-7s=K

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Solution for 3r-7s=K equation: 


Simplifying
3r + -7s = K

Solving
3r + -7s = K

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.
3r + -7s + 7s = K + 7s

Combine like terms: -7s + 7s = 0
3r + 0 = K + 7s
3r = K + 7s

Divide each side by '3'.
r = 0.3333333333K + 2.333333333s

Simplifying
r = 0.3333333333K + 2.333333333s

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