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50\times 2x+15=1x+15\times 3
Multiply both sides of the equation by 15, the least common multiple of 3,15.
100x+15=1x+15\times 3
Multiply 50 and 2 to get 100.
100x+15=1x+45
Multiply 15 and 3 to get 45.
100x+15-x=45
Subtract 1x from both sides.
99x+15=45
Combine 100x and -x to get 99x.
99x=45-15
Subtract 15 from both sides.
99x=30
Subtract 15 from 45 to get 30.
x=\frac{30}{99}
Divide both sides by 99.
x=\frac{10}{33}
Reduce the fraction \frac{30}{99} to lowest terms by extracting and canceling out 3.