5x-4-x=4(x+1)
5x-4-x=4(x)+4(1)
(5x-x)-4=4x+4
4x-4=4x+4
+4 +4
4x=4x+8
/4 /4
x = x+2
-x -x
0=2
1

is the answer you're looking for.
Answer:
9,240
Step-by-step explanation:
For the first number, there are 22 numbers available to choose from. For the second number, there are 21 numbers available, since the first number cannot be the same as the second number. And for the last number, there are 20 remaining numbers to choose from. So, there are 22*21*20=9240 possible sequences.
Answer:
$60
Step-by-step explanation:
We need to find how much commission she earns on the 8,000
Since the total is greater than $5,000, we find 7.5% of her sales
7.5% x $8,000 = $60
Thus, our answer is
$60
2/3 and 12/18 are equivalent fractions, and 12+18 = 30 so the answer is 12:18