Question

twice a number is more than half the number by 6 find the number

Answer 1

If no is x
Then twice the no =2x
Greater than half the no by 6 is (x/2+6)

Equation
2x=x/2+6
2x=(x+12)/2
4x=x+12
3x=12
X=4

Number is 4

Answer 2

2x+6=x/2
4x+12=x
3×=-12
×=-4