Question

Four times a number,decreased by two is five.

Answer 1

7/4

Explanation:

X = a number

Four times a number

4X

Four times a number,decreased by two

4X - 2

Four times a number,decreased by two is five.

4X - 2 = 5

4X = 5 + 2 = 7

X = 7/4

Answer 2

Written out, that would be 4x - 2 = 5.

To solve, add 2 and then divide by 4:

4x = 7

x = 7/4