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garri49 [273]
3 years ago
10

Is 6x-x+5 and 6+5 equivalent?

Mathematics
1 answer:
REY [17]3 years ago
6 0

Answer:

No

Step-by-step explanation:

Substitute any number for x

6(3)-3+5

6(3)= 18

18-3= 15

15+5= 20

6+5=11

20≠11

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There are some people on a train
Kitty [74]
<h3>Answer:  62</h3>

======================================================

Explanation:

18 people get off, and 21 get on

We can write the 18 as -18 to indicate a loss of 18 people. The 21 as +21 to mean we gained 21 people.

The net change is -18+21 = +3 or simply 3.

After the first stop, 3 more people are on the train compared to before reaching this stop.

If x is the number of people before the stop, then x+3 is the number of people after the stop. Set this equal to 65 and solve for x.

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-----------

Check:

62 people to start off

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44+21 = 65 people after the 21 new people get on

The answer is confirmed.

7 0
2 years ago
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