12r+r-9s+3r=

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Solution for 12r+r-9s+3r= equation:


Simplifying
12r + r + -9s + 3r = 0

Reorder the terms:
12r + r + 3r + -9s = 0

Combine like terms: 12r + r = 13r
13r + 3r + -9s = 0

Combine like terms: 13r + 3r = 16r
16r + -9s = 0

Solving
16r + -9s = 0

Solving for variable 'r'.

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

Add '9s' to each side of the equation.
16r + -9s + 9s = 0 + 9s

Combine like terms: -9s + 9s = 0
16r + 0 = 0 + 9s
16r = 0 + 9s
Remove the zero:
16r = 9s

Divide each side by '16'.
r = 0.5625s

Simplifying
r = 0.5625s

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