Question

Twice a number , subtracted from 60 is 20. Find the number

Answer 1

The number is 20.

Explanation:

60 - 2y = 20

- 2y + 60 = 20

- 2y + 60 - 60 = 20 - 60

- 2y = - 40

- 2y ÷ - 2 = - 40 ÷ - 2

y = 20