Identify the number of equations that have the same solution set.

Equation A: 45(3f−7)=25(4f−8)

Equation B: 59g−2=79

Equation C: −2(4−2h)=−3(1−h)

(1 point)
Responses

2
2

none
none

3
3

1

1 answer

To identify the number of equations that have the same solution set, we'll solve each equation for its variable and see if they yield the same solution.

Equation A:

\[ 45(3f - 7) = 25(4f - 8) \]

Expanding both sides:

\[ 135f - 315 = 100f - 200 \]

Rearranging:

\[ 135f - 100f = 315 - 200 \] \[ 35f = 115 \] \[ f = \frac{115}{35} = \frac{23}{7} \]

Equation B:

\[ 59g - 2 = 79 \]

Rearranging:

\[ 59g = 79 + 2 \] \[ 59g = 81 \] \[ g = \frac{81}{59} \]

Equation C:

\[ -2(4 - 2h) = -3(1 - h) \]

Expanding both sides:

\[ -8 + 4h = -3 + 3h \]

Rearranging:

\[ 4h - 3h = -3 + 8 \] \[ h = 5 \]

Summary of Solutions:

  1. Equation A has the solution \( f = \frac{23}{7} \).
  2. Equation B has the solution \( g = \frac{81}{59} \).
  3. Equation C has the solution \( h = 5 \).

All solutions are different.

Thus, the number of equations that have the same solution set is none.

Correct response: none

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