Solve for x
x=-\frac{141}{238}\approx -0.592436975
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10x+15=240\left(5x+3\right)
Variable x cannot be equal to -\frac{3}{5} since division by zero is not defined. Multiply both sides of the equation by 3\left(5x+3\right).
10x+15=1200x+720
Use the distributive property to multiply 240 by 5x+3.
10x+15-1200x=720
Subtract 1200x from both sides.
-1190x+15=720
Combine 10x and -1200x to get -1190x.
-1190x=720-15
Subtract 15 from both sides.
-1190x=705
Subtract 15 from 720 to get 705.
x=\frac{705}{-1190}
Divide both sides by -1190.
x=-\frac{141}{238}
Reduce the fraction \frac{705}{-1190} to lowest terms by extracting and canceling out 5.
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