3-7x+2x when x= 3. 25 points
2 answers:
Put 3 where x is, then do the arithmetic.
... 3 - 7·3 + 2·3
... = 3 - 21 + 6
... = -18 + 6
... = -12
_____
If you like, you can simplify first.
... = 3 + x(-7 +2)
... = 3 -5x
For x=3, this is
... = 3 -5·3
... = 3 -15
... = -12
You might be interested in
Answer:
you could study, cheat, try your best, or nothing its up to u
9+(-6)+(-8)+11+(-4)+10=12
12÷6=2
The answer is D
Answer:
Step-by-step explanation:
65(1-25/100)
65(75/100)
65(.75)
$48.75
Sum the total acreage, and multiply by the amount per acre.

. Simplified, this is 48.6, or

X1=2,X2=10. Hope that helped lovely