4r+s=-3

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Solution for 4r+s=-3 equation: 


Simplifying
4r + s = -3

Solving
4r + s = -3

Solving for variable 'r'.

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

Add '-1s' to each side of the equation.
4r + s + -1s = -3 + -1s

Combine like terms: s + -1s = 0
4r + 0 = -3 + -1s
4r = -3 + -1s

Divide each side by '4'.
r = -0.75 + -0.25s

Simplifying
r = -0.75 + -0.25s

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