suhailalitariq
20.09.2021 •
Mathematics
If f(x)= 20-3x, then find a if f(a)= -11.
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Ответ:
53
Step-by-step explanation:
if f(a)= -11 the the equation is: 20-3(-11)
First, multiply -3 and -11:
20-3×(-11)
20+33
Now, add:
20+33= 53
Hope this helps!! <3
Ответ:
3x - 8 = -2
3x -8+8 = -2 +8
3x = 6
3x/3 = 6/3
x = 2
s
x - 6
( 2-6)
= -4
that is the value of x -6
= -4