Solve for R
R=12
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4R+12-6R=-12
Subtract 6R from both sides.
-2R+12=-12
Combine 4R and -6R to get -2R.
-2R=-12-12
Subtract 12 from both sides.
-2R=-24
Subtract 12 from -12 to get -24.
R=\frac{-24}{-2}
Divide both sides by -2.
R=12
Divide -24 by -2 to get 12.
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