Loading…
Example 8.39 from Prealgebra, 8.4 Solve Equations with Fraction or Decimal Coefficients
Solve:
Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.
| Find the LCD of all the fractions in the equation. | |
| Multiply both sides by the LCD. | |
| Distribute. | |
| Simplify — no more fractions! | |
| Subtract from both sides. | |
| Simplify. | |
| Subtract 2 from both sides. | |
| Simplify. | |
| Divide by 5. | |
| Simplify. | |
| Check: Substitute | |
The book's Try It right after this example: same idea, new numbers. Only the answer is given.
Solve:
How did it go?