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11Alexandr11 [23.1K]
3 years ago
14

How to simplify 7 - 9x -15 + 12x into an expression

Mathematics
2 answers:
mixas84 [53]3 years ago
8 0

3x - 8

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levacccp [35]3 years ago
3 0

Answer:

Simplified is 3x - 8

Step-by-step explanation:

First, put the like terms together, so rearrange that equation to 12x - 9x - 15 + 7. Then from there you subtract 9x from 12x which is 2x and add 7 to negative 15, which is -8.

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Simplify negative 7 and 1 over 8 − negative 9 and 1 over 2.
Komok [63]
-7 1/8 - (-9 1/2) =
-7 1/8 + 9 1/2 

-7 + 9 = 2
-1/8 + 1/2 = -1/8 + 4/8 = 3/8

answer is : 2 3/8 (or 19/8)
6 0
4 years ago
Read 2 more answers
Given triangle ABC ; a=10; b=4, c=11 find the measurement of angle b
Diano4ka-milaya [45]
Angle b is 4 bro the answer is there in the question
7 0
3 years ago
At a telethon, a volunteer can take 48 calls over a 4-hour shift. At this rate, how many calls can 12 volunteers take in a 4-hou
stellarik [79]
1 volunteer - 4 h - 48 calls
12 volunteers - 4 h - x calls

The time is the same, so it's irrelevant.
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12 volunteers - x calls

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So it's 576 hours.




5 0
4 years ago
What’s a larger number is two less than four times a smaller. if the sum of the number is 18
s344n2d4d5 [400]
Let x be the larger number and y be the smaller number.
Using the given info, we get
x = 4y - 2
We also know that 
x + y = 18
Substitute x = 4y -2 into x + y = 18
(4y -2) +y = 18
5y - 2 = 18
5y = 20
y = 4
Enter this value into x = 4y - 2
x = 4(4) - 2
x = 14
The larger number is 14 and the smaller one is 4.
6 0
3 years ago
Roisin is a price analyst for a food distributor. One week she put together bids for 680 cases, 507 cases, 830 cases, 391 cases,
sineoko [7]

Answer: The average number of cases per bid is <u>599</u>.

Step-by-step explanation:

Given: One week she put together bids for 680 cases, 507 cases, 830 cases, 391 cases, and 587 cases.

Total cases = 680 +  507 + 830 + 391+587

= 2995

Number of bids = 5

Now, average number of cases per bid = \dfrac{\text{Total cases }}{\text{Number of bids}}

=\dfrac{2995}{5}\\\\=599

Hence, the average number of cases per bid is <u>599</u>.

6 0
3 years ago
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