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75x+15=45x+3
Use the distributive property to multiply 15 by 5x+1.
75x+15-45x=3
Subtract 45x from both sides.
30x+15=3
Combine 75x and -45x to get 30x.
30x=3-15
Subtract 15 from both sides.
30x=-12
Subtract 15 from 3 to get -12.
x=\frac{-12}{30}
Divide both sides by 30.
x=-\frac{2}{5}
Reduce the fraction \frac{-12}{30} to lowest terms by extracting and canceling out 6.