48-n=4n-7
50-8n
N - 8 = 22 (:
Abs(n - 8) = 22
No difference. (-8)5 = (-85) = -85
Eleven
48-n=4n-7
"the difference between a number and eight is twenty-two
X = number 48 - X = 4X - 7
one third of the difference between ten and a number
difference of eight and a number
The number is 4
50-8n
twice the difference of three times a number and eight
N - 8 = 22 (:
Abs(n - 8) = 22
n - 8 is the expression for the difference of eight and a number.'Number' is a variable, so the variable must be a letter (in this case, 'n'). 'The difference' is going to be the subtraction symbol that is in between the 'number' and eight, so it must be n - 8. It could, of course, be 8 - n.