Question

these questions is related to the linear equation innone varible The sum of number and one third of itself is80 find the number​

Answer 1

Answer:

Let the number be x

Form equation and solve x:

sum of a number and 4 times itself is 80

x + 4x = 80

5x = 80

x = 16

Step-by-step explanation:

Answer 2

Answer:

60

Step-by-step explanation:

let the number be '3x'

then, one-third of the number is 'x'

x+3x=80

4x = 80

x= 20

3x= 60