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Match the system of equations on the left with the appropriate solution on the right.

[tex]\[
\begin{array}{l}
2x + 6y = 4 \\
x = 4y + 2 \\
\\
-3x - 4y = -6 \\
x = -2 - \frac{4}{3} y \\
\\
3x - 4y = 6 \\
x = \frac{4}{3} y + 2
\end{array}
\][/tex]

[tex]\[
\begin{array}{l}
(-2, 3) \\
\text{Infinite number of solutions} \\
\text{No solution}
\end{array}
\][/tex]


Sagot :

To solve the systems of equations, we need to compute each one step-by-step to determine their solutions or determine if there are no solutions or an infinite number of solutions.

### System 1
[tex]\[ \begin{cases} 2x + 6y = 4 \\ x = 4y + 2 \end{cases} \][/tex]

Step 1: Substitute [tex]\( x = 4y + 2 \)[/tex] into [tex]\( 2x + 6y = 4 \)[/tex]:
[tex]\[ 2(4y + 2) + 6y = 4 \][/tex]
[tex]\[ 8y + 4 + 6y = 4 \][/tex]
[tex]\[ 14y + 4 = 4 \][/tex]
[tex]\[ 14y = 0 \][/tex]
[tex]\[ y = 0 \][/tex]

Step 2: Substitute [tex]\( y = 0 \)[/tex] back into [tex]\( x = 4y + 2 \)[/tex]:
[tex]\[ x = 4(0) + 2 = 2 \][/tex]

The solution is [tex]\( (2, 0) \)[/tex], which is not one of our matching responses. Therefore, it does not match any of the provided options.

### System 2
[tex]\[ \begin{cases} -3x - 4y = -6 \\ x = -2 - \frac{4}{3}y \end{cases} \][/tex]

Step 1: Substitute [tex]\( x = -2 - \frac{4}{3}y \)[/tex] into [tex]\( -3x - 4y = -6 \)[/tex]:
[tex]\[ -3(-2 - \frac{4}{3}y) - 4y = -6 \][/tex]
[tex]\[ 6 + 4y - 4y = -6 \][/tex]
[tex]\[ 6 = -6 \][/tex]

Since [tex]\( 6 \neq -6 \)[/tex], this system is inconsistent and has no solutions.

### System 3
[tex]\[ \begin{cases} 3x - 4y = 6 \\ x = \frac{4}{3}y + 2 \end{cases} \][/tex]

Step 1: Substitute [tex]\( x = \frac{4}{3}y + 2 \)[/tex] into [tex]\( 3x - 4y = 6 \)[/tex]:
[tex]\[ 3(\frac{4}{3}y + 2) - 4y = 6 \][/tex]
[tex]\[ 4y + 6 - 4y = 6 \][/tex]
[tex]\[ 6 = 6 \][/tex]

Since the equation simplifies to an identity (true for all [tex]\( y \)[/tex]), this system has an infinite number of solutions.

### Matching

- The first system [tex]\( 2x + 6y = 4 \)[/tex] and [tex]\( x = 4y + 2 \)[/tex] has the solution [tex]\( (2, 0) \)[/tex], which does not match the provided options.
- The second system [tex]\( -3x - 4y = -6 \)[/tex] and [tex]\( x = -2 - \frac{4}{3} y \)[/tex] has no solution.
- The third system [tex]\( 3x - 4y = 6 \)[/tex] and [tex]\( x = \frac{4}{3} y + 2 \)[/tex] has an infinite number of solutions.

Providing the correct matches:

- The system
[tex]\[ \begin{cases} 2x + 6y = 4 \\ x = 4y + 2 \end{cases} \][/tex]
does not match any of the provided answers.

- The system
[tex]\[ \begin{cases} -3x - 4y = -6 \\ x = -2 - \frac{4}{3} y \end{cases} \][/tex]
has no solution.

- The system
[tex]\[ \begin{cases} 3x - 4y = 6 \\ x = \frac{4}{3} y + 2 \end{cases} \][/tex]
has an infinite number of solutions.