Question

if thrice a number is diminished by 7 the result is 9 more than the number then what is the number

Answer 1

Answer:

Let the no. be x

3x-7=x+9

3x-x=9+7

2x=16

x=8

So, the no. is 8

Answer 2

Answer:

let number be x

thrice=3x

diminished by 7= 3x-7

3x-7 = x+9

3x-x = 9+7

2x=16

x= 16/2

x=8 is answer

Step-by-step explanation: