Solve for r
r=-11
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7r+2=5r-20
Use the distributive property to multiply 5 by r-4.
7r+2-5r=-20
Subtract 5r from both sides.
2r+2=-20
Combine 7r and -5r to get 2r.
2r=-20-2
Subtract 2 from both sides.
2r=-22
Subtract 2 from -20 to get -22.
r=\frac{-22}{2}
Divide both sides by 2.
r=-11
Divide -22 by 2 to get -11.
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