Answer:
10
Step-by-step explanation:
f(x) =3x-x=2x,
f(7-2)=f(5)= 2*5=10
let the number be x.
a number decreased means
x-
and the sum of the number and 4 is
x+4
to put the expression together, we get. put them in parentheses
x - ( x+4 )
= x - x -4
= - 4
Written (word) form: Eleven million and seven hundred sixty thousand and eight hundred and twenty-five.
Expanded from: 10,000,000+1,000,000+700,000+60,000+800+20+5
Answer:
15.2
Step-by-step explanation:
The answer is (5, -8) Hope I helped :)