♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️
Thus :
x s simplifies
Divide sides by 10
_________________________________
And also must :
So :
Done...
f(x) = -10
set the equation equal to -10 and solve for x:
-10 = -x-1
Add 1 to both sides:
-9 = -x
Divide both sides by -1:
x = 9
Answer:
its 42
Step-by-step explanation:
315-18+81=378
Correct mean =378/9=42
A. 0.4
B.0.9
C.0.7