4r-7s=K

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Solution for 4r-7s=K equation: 


Simplifying
4r + -7s = K

Solving
4r + -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.
4r + -7s + 7s = K + 7s

Combine like terms: -7s + 7s = 0
4r + 0 = K + 7s
4r = K + 7s

Divide each side by '4'.
r = 0.25K + 1.75s

Simplifying
r = 0.25K + 1.75s

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