3x + 4y = 31
2x - 4y = -6
*The +4 and -4 in the center of the equation cancel out because 4-4 = 0*
3x = 31
2x = -6
------------
*add like terms*
3x + 2x = 5x
31 - 6 = 25
So now you should have this written on your paper ... > 5x = 25
*Divide by 5 on each side*
5x = 25
_ _
5 5
x = 5
Answer:
The answer to your question is: -9 - 6i
Step-by-step explanation:
Process

= - 9 - (6i)
= -9 - 6i
Answer:
Marco's boxes weigh 15 lbs.
Step-by-step explanation:
9x + 14(x - 8) = 233
9x + 14x - 112 = 233
23x = 345
x = 15
<span>According to a map, the distance between Hilltop and Valleyfloor is 1 3/4 inches. If the map uses a scale of ¼ inch to represent 1 mile, what is the actual distance in miles from Hilltop to Valleyfloor?</span>