Answer:
x=13
Step-by-step explanation:
if you will substitute the value of f(x) with 5, you will get the following equation:
5=2x-21
2x=26/÷2
x=13
(I didn't know what you ment when you wrote x2, is it x square or 2X)
I really hope it was the second one, cause that's how I solved it.
Answer:
-5
Step-by-step explanation:
3x+7=-8
3x+7-7=-8-7
3x=-15
3x/3=-15/3
x= -5
345 in Standard Form is 3.45 x 10^2
This is because when in standard form the decimal should move to the right 2 times.
Hey This Is The Answer I Got
(x-1)/16=6/12
16*6=12(x-1)
96=12x-12
12x=84
x=7
Hoped I Helped
