in fraction
Arrange the cards into three pairs with the same total.
Note: Please write each pair on separate lines and
use the word 'and' between the numbers (eg. 7 and -3).
Answer:
See explanation
Step-by-step explanation:
The first pair is (-4 and 8)
Because if we add those two values, i. e., 8 + (-4), we will get 4.
Again, the second pair is (-2 and 6). In that case, if we also add those two values, that is, 6 + (-2), we will get 4.
Finally, the third pair is (-1 and 5). Again, we will add the two values. 5 + (-1) = 4.
In each case, we can see that the addition of each pair is 4.Therefore, the total is similar in each pair after arranging the cards.
Answer: n = 5
Step-by-step explanation: To solve for n, we must first isolate the term containing n which in this problem is 3n.
Since 8 is being added to 3n, we subtract 8 from both sides of the equation to isolate the 3n. On the left, the +8 and -8 cancel out and on the right 23 - 8 is 15.
So we have 3n = 15.
Now we can finish things off by just dividing both sides of the equation by 3. On the left the 3's cancel and on the right 15 divided by 3 is 5 so n = 5 and you can check your answer by plugging 5 back in for n in the original equation which is shown below in bold.
3(5) + 8 = 23 or 15 + 8 = 23.
Answer:
n = 5
Step-by-step explanation:
3n + 8 = 23
- 8 - 8 Subtract 8 from both sides
3n = 15
n = 5 Divide both sides by 3