Question

3.
$-8x + 6y = -12$
$10x - 6y = 0$

Explanation:

Step1: Add the two equations

$(-8x + 6y) + (10x - 6y) = -12 + 0$
Simplify: $2x = -12$

Step2: Solve for $x$

$x = \frac{-12}{2} = -6$

Step3: Substitute $x=-6$ into second equation

$10(-6) - 6y = 0$
Simplify: $-60 - 6y = 0$

Step4: Solve for $y$

$-6y = 60$
$y = \frac{60}{-6} = -10$

Answer:

$x=-6$, $y=-10$