Answer: 20-4x
Explanation:
20(a number) minus 4 times x
Answer:
x=3, z=-1, y=6
Step-by-step explanation:
you need to make the coefficients of each variable equal to each other then subtract 2 equations.
this one: multiply -4 in 1st
4x+4y+4z=32
-4x+4y+5z=7
_____________
8x+0-z=25
we have 2 equations with 2 variables now
2x+2z=4
8x-z=25
I
I'm pretty sure it is B.
Answer:
B. Step 3 is incorrect, it should be x = 10/8
Step-by-step explanation:
There are 11 ways a pair of dice can show a 5. Of those, 2 have a sum of 6.
Your probability is 2/11.
