Answer:
Let's say that x is sam's age and y is Amy's age
x=y-4
and five years ago:
x-5=(y-5)/2
y-4-5=(y-5)/2
2y-18=y-5
y=13
x=9
then:
sam's age is 9 and Amy's age is 13

multiplying both sides by x^2

simplifying

dividing by 7
The answer I got was 12 if needed I can take a picture of how I worked it
Answer:
x= -0.2 or -1/5
Step-by-step explanation:
42+5X=41
Subtract 42 from both sides:
42+5X=41
-42 -42
You are left with:
5x=-1
Now divide 5 by both sides to isolate x:
5x= -1
--- ---
5 5
x=-0.2 or -1/5