4a + 3b - a - 5b
First, gather the like terms.
Second, subtract 4a - a to get 3a.
Third, subtract 3b - 5b to get 2b.

Answer:
3a - 2b
The answer here is c. You get this by following the path of 3 to the right and up 8
Answer:
let x = 0
therefore
24=4(0)+6y
24=0+6y
24=6y
y= 24/6
y=4
you can take different value of x and the value of y will change automatically