Answer:
If x + 5x = 90, 6x = 90 so x = 15, 5x = 75.
Answer: x= 15, 5x=75
Step-by-step explanation:
x=15
x+5x=90
Add similar elements
6x=90
6x/6=90/6
5x=75
5x=15x5
15x5=75
