Question

select the correct answer.

solve the system of equations given below.

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$$\begin{aligned} y - 15 &= 3x \\\\ -2x + 5y &= -3 \\end{aligned}$$

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• (-6,-3)
• (-6,3)
• (-7,-6)
• (-3,6)

Explanation:

Rearrange the first equation

Using the Systems of Linear Equations knowledge point

$$
LATEXBLOCK0
$$

Substitute into the second equation

Using the Systems of Linear Equations knowledge point

$$
LATEXBLOCK1
$$

Solve for y

Using the Systems of Linear Equations knowledge point

$$
LATEXBLOCK2
$$

State the final solution

Using the Systems of Linear Equations knowledge point

$$ (x, y) = (-6, -3) $$

Answer:

• (A) (-6,-3) (Correct answer)
• (B) (-6,3)
• (C) (-7,-6)
• (D) (-3,6)