Question

Four less than a number is one more than the two times the number. Find the number?​

Answer 1

X-4 = 1+2X
X - 2X = 1 + 4
- X = 5
X = -5

Answer 2

Let the Number be : Z

Given : 4 less than the number is 1 more than 2 times the number

$:\implies$  (Z - 4) - 1 = 2Z

$:\implies$  Z - 4 - 1 = 2Z

$:\implies$  Z - 5 = 2Z

$:\implies$  2Z - Z = -5

$:\implies$  Z = -5

Hence, the required number is -5