3(z+15)
Z x 3 x 15
z - 7
15 h
s + 9
x-2
n + 11
The expression is 9*x.
40 + x
10n
z - 7
Write the following as an algebraic expression using x as the variable: The sum of a number and -8
15 h
n/12. n=variable......stands for the number.
Subtract 25 from whatever variable you use for "a number". If your number is "x", then the expression becomes "x - 25".
s + 9
x-2
n + 11
2n/5 or (2/5)*n