Solve for x
x=-\frac{3}{5}=-0.6
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5x-3-45x=21
Subtract 45x from both sides.
-40x-3=21
Combine 5x and -45x to get -40x.
-40x=21+3
Add 3 to both sides.
-40x=24
Add 21 and 3 to get 24.
x=\frac{24}{-40}
Divide both sides by -40.
x=-\frac{3}{5}
Reduce the fraction \frac{24}{-40} to lowest terms by extracting and canceling out 8.
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