Answer:
6
Step-by-step explanation:
6 because 6/2=3,6/3=2
1: minus the 4x on both sides to get 5y=-4x-10. 2: divide 5 on both sides and simplify to get the answer of y=-4/5x-2.
The reverse effect of another operation
ex multiply - division
A.Benny will be 22 of age
b.
I think the current age of the child is 16 and the father is 40. That would mean 4 years ago the father was 36 and the child was 12. This makes the father 3 times as old as his son four years ago.