Answer:
um, u gotta ask a question
Answer:
In step 2, he needed to divide both sides of the equation by 5
Step-by-step explanation:
we have

Solve for a------> That means isolate the variable "a"
step 1
Subtract 2b to both sides


step 2
Divide by 5 both sides


Let number of Adult ticket be x
and number of Child ticket be y
so
$282 = $24x + $18y.
:)