A number decreased by the sum of two times a number and 12.
a. x - (2x+12)
b. x - 2x + 12
c. 2x + 12 - x
d. (x - 2x) + 12
I got x-(2x+12). Is this correct?
Let "a number" become x.
"decreased" means subtract
"sum of two times a number and 12" becomes 2x + 12
x - (2x + 12)
