Solve for r 135=75+0.80r

Math
135=75+0.8r
Rewrite the equation as 75+0.8r=135.
75+0.8r=135
Move all terms not containing r to the right side of the equation.
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Subtract 75 from both sides of the equation.
0.8r=135-75
Subtract 75 from 135.
0.8r=60
0.8r=60
Divide each term by 0.8 and simplify.
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Divide each term in 0.8r=60 by 0.8.
0.8r0.8=600.8
Cancel the common factor of 0.8.
r=600.8
Divide 60 by 0.8.
r=75
r=75
Solve for r 135=75+0.80r

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