4(5)+4(3)+3(2)=$38 total cost =$38
First, Divide by 3 on both sides.
So 3x=12 will turn to 3x/3=12/3
Which isolates the variable x and the answer: x= 4
Answer:
(-4, -5) it gives the answer in the question
Step-by-step explanation:
It would be: 18/15 * 100 = 1800/15 = 120%