15.x-12
Answer = x x = 6K - 14
x - 10
25 * (n - 16) 25(n - 16)
Subtract 25 from whatever variable you use for "a number". If your number is "x", then the expression becomes "x - 25".
As an algebraic expression it is: k-3
6k-14
Algebraic expression 14 less than the quantity k times 6
(4n) - 25
It is: 5k-7
You write it as5nNothing more, nothing less.
Answer = x x = 6K - 14
m - 12
M < 90
It is: y-4
As an algebraic expression it is: 2x-9
x - 10
25 * (n - 16) 25(n - 16)