Solving with Elimination Quick Check

2 of 52 of 5 Items

Question
How many solutions does the system of equations have?
8x−6y=48

8x+6y=48
(1 point)
Responses

two
two

infinite
infinite

none
none

one

1 answer

To determine the number of solutions for the system of equations given:

  1. \( 8x - 6y = 48 \)
  2. \( 8x + 6y = 48 \)

Let's analyze the equations. We can begin by subtracting the first equation from the second:

\[ (8x + 6y) - (8x - 6y) = 48 - 48 \]

This simplifies to:

\[ 12y = 0 \]

From here, we can solve for \( y \):

\[ y = 0 \]

Now, substitute \( y = 0 \) back into one of the original equations to find \( x \). We'll use the first equation:

\[ 8x - 6(0) = 48 \]

This simplifies to:

\[ 8x = 48 \]

Now, solving for \( x \):

\[ x = 6 \]

Thus, we have found a unique solution: \( (x, y) = (6, 0) \).

From this analysis, we can conclude that the system of equations has one solution.

So the correct response is:

one

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