Answer: (-8, -80)
Explanation:
y = 10x
y = -3x - 104
Substitute "y" with "10x" into the second equation, then solve for x:
10x = -3x - 104
13x = -104 added 3x to both sides
x = -8 divided both sides by 13
Next, substitute -8 for x into the first equation to solve for y:
y = 10(-8)
= -80