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Solve the equation: 3/(t−2) = 4/(3t+4)

Mathematics

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Answer

t=−4t = -4

Step-by-step solution

5 steps

Here's the solution to the problem:

The problem is to solve the equation:

3t−2=43t+4\frac{3}{t-2} = \frac{4}{3t+4}
  1. Cross-multiply to eliminate the denominators.

    3(3t+4)=4(t−2)3(3t+4) = 4(t-2)
  2. Distribute the numbers into the parentheses.

    3×3t+3×4=4×t−4×23 \times 3t + 3 \times 4 = 4 \times t - 4 \times 2 9t+12=4t−89t + 12 = 4t - 8
  3. Rearrange the equation to gather terms with tt on one side and constant terms on the other.

    Subtract 4t4t from both sides.

    9t−4t+12=−89t - 4t + 12 = -8

    Subtract 12 from both sides.

    5t=−8−125t = -8 - 12
  4. Combine like terms.

    5t=−205t = -20
  5. Solve for tt by dividing both sides by 5.

    t=−205t = \frac{-20}{5} t=−4t = -4
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