1350$ is the right answer to your problem trust me I know this
Answer:
$24
Step-by-step explanation:
You simply do $42-$18
=24

From there we can see that because x equals both to a and b, it must be that a = b.
Answer:
y = -3x/2 + 5/2
Step-by-step explanation:
Well, basically what you do is modify it so that y is on one side.
3x+2y = 5
2y = 5-3x
y = (5-3x)/2
y = 5/2 -3x/2
So, the answer is the second option.