9r+s-12r+4s=

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Solution for 9r+s-12r+4s= equation:


Simplifying
9r + s + -12r + 4s = 0

Reorder the terms:
9r + -12r + s + 4s = 0

Combine like terms: 9r + -12r = -3r
-3r + s + 4s = 0

Combine like terms: s + 4s = 5s
-3r + 5s = 0

Solving
-3r + 5s = 0

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.
-3r + 5s + -5s = 0 + -5s

Combine like terms: 5s + -5s = 0
-3r + 0 = 0 + -5s
-3r = 0 + -5s
Remove the zero:
-3r = -5s

Divide each side by '-3'.
r = 1.666666667s

Simplifying
r = 1.666666667s

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