Tamara, Payton, Krish, and Haruki are analyzing the solution sets to the following linear equations. Tamara says that Equation A and Equation C have the same solution. Payton says Equation B and Equation C have the same solution. Krish says all three have the same solution. Haruki says that none of the equations have the same solution. Identify who is correct about the linear equations.

Equation A: 3 (4 - 5h) - 7 = -12 + 2h
Equation B: 2 (p - 3) - 1 = 6p+14/2
Equation C: 2/3 v - 3 + 8/3 = -1

1 answer

To determine who is correct about the solution sets for the equations, we will solve each equation step by step.

Equation A:

\[ 3(4 - 5h) - 7 = -12 + 2h \]

  1. Distribute on the left side: \[ 12 - 15h - 7 = -12 + 2h \] \[ 5 - 15h = -12 + 2h \]
  2. Add \(15h\) to both sides: \[ 5 = -12 + 17h \]
  3. Add \(12\) to both sides: \[ 17 = 17h \]
  4. Divide by \(17\): \[ h = 1 \]

Equation B:

\[ 2(p - 3) - 1 = \frac{6p + 14}{2} \]

  1. Distribute on the left side: \[ 2p - 6 - 1 = \frac{6p + 14}{2} \] \[ 2p - 7 = \frac{6p + 14}{2} \]
  2. Multiply everything by \(2\) to eliminate the fraction: \[ 2(2p - 7) = 6p + 14 \] \[ 4p - 14 = 6p + 14 \]
  3. Subtract \(4p\) from both sides: \[ -14 = 2p + 14 \]
  4. Subtract \(14\) from both sides: \[ -28 = 2p \]
  5. Divide by \(2\): \[ p = -14 \]

Equation C:

\[ \frac{2}{3}v - 3 + \frac{8}{3} = -1 \]

  1. Combine constants on the left side: \[ \frac{2}{3}v + \frac{8}{3} - 3 = -1 \] First, convert \(3\) to thirds: \[ 3 = \frac{9}{3} \] So: \[ \frac{2}{3}v + \frac{8}{3} - \frac{9}{3} = -1 \] \[ \frac{2}{3}v - \frac{1}{3} = -1 \]
  2. Add \(\frac{1}{3}\) to both sides: \[ \frac{2}{3}v = -1 + \frac{1}{3} \] Convert \(-1\) to thirds: \[ -1 = -\frac{3}{3} \] So: \[ \frac{2}{3}v = -\frac{3}{3} + \frac{1}{3} = -\frac{2}{3} \]
  3. Multiply both sides by \(\frac{3}{2}\): \[ v = -1 \]

Summary of Solutions:

  • Equation A: \(h = 1\)
  • Equation B: \(p = -14\)
  • Equation C: \(v = -1\)

Conclusion:

  • Tamara claims Equation A and C have the same solution (Incorrect).
  • Payton claims Equation B and C have the same solution (Incorrect).
  • Krish claims all three have the same solution (Incorrect).
  • Haruki claims none of the equations have the same solution (Correct).

Final statement: Haruki is correct; none of the equations have the same solution.