Solve for r
r=6
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3\left(6r-1\right)-5\times 2r=45
Multiply both sides of the equation by 15, the least common multiple of 5,3.
18r-3-5\times 2r=45
Use the distributive property to multiply 3 by 6r-1.
18r-3-10r=45
Multiply -5 and 2 to get -10.
8r-3=45
Combine 18r and -10r to get 8r.
8r=45+3
Add 3 to both sides.
8r=48
Add 45 and 3 to get 48.
r=\frac{48}{8}
Divide both sides by 8.
r=6
Divide 48 by 8 to get 6.
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