Question

1. The average of 35, 45, and x is equal to five
more than twice of x. Find x.
​

Answer 1

Answer:

35+45+x/3= 2x+5

=> 80+x= 6x+15

=> 5x = 65

=> x= 13

Answer 2

35+45+x/3=2x+5
35+45+x=3(2x+5)
80+x=6x+15
80-15=6x-x
65=5x
x=65/5
x=13