Answer :
I would represent his age as "x"
The equation is:
3x = 400 - 163.
= 3x = 237
Divide by 3.
3x = 237
/3 /3
x = 237/3
x = 79 * 3/3
x = 79.
So his age is 79.
The equation is:
3x = 400 - 163.
= 3x = 237
Divide by 3.
3x = 237
/3 /3
x = 237/3
x = 79 * 3/3
x = 79.
So his age is 79.