Solve for r
r=4
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3r+6=7r-10
Combine 5r and -2r to get 3r.
3r+6-7r=-10
Subtract 7r from both sides.
-4r+6=-10
Combine 3r and -7r to get -4r.
-4r=-10-6
Subtract 6 from both sides.
-4r=-16
Subtract 6 from -10 to get -16.
r=\frac{-16}{-4}
Divide both sides by -4.
r=4
Divide -16 by -4 to get 4.
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