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sweet [91]
3 years ago
15

Multi step equation2x +3=-7​

Mathematics
2 answers:
Marina CMI [18]3 years ago
6 0

Answer:

if you need to find the value of x then I can help

First the equation looks like this:

2x + 3 = -7

first find the value of "x" which will be -5 then the equation will look like this:

2(-5) then multiply 2 and -5 which is equal to -10

this will make the equation look like this:

-10 + 3 = -7

then evaluate

-10 + 3 = -7

-7 = -7

Therefore the value of "x" is -5

kvv77 [185]3 years ago
5 0

Answer:

x = -5

Step-by-step explanation:

  1. Subtract 3 from each side, so it now looks like this: 2x = -10
  2. Divide each side by 2 to cancel out the 2 next to x. It should now look like this: x = -5

I hope this helps!

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3 years ago
A plane travels 360,000 meters in 900 seconds. What was its speed
Umnica [9.8K]
900 / 60 = 15
So, the plane traveled 360,000 meters in 15 minutes.
Generally, we do per hour. So, 15 mins * 4 = 60 mins or 1 hour. Because we multiplied the time by 4, we also need to multiply the distance by 4. 360,000 * 4 = 1440000 meters. The plane was traveling at 1440000 meters per hour.

However, it does not make sense to use meters for this long of a distance. I am going to convert it into miles (let me know if the question asks for a different unit of distance). 1 mile equals 1609.34 meters. Divide 1440000 by 1609.34 to get how many miles. 1440000 / 1609.34 = 894.7767408.

Therefore, the plane is going about 895 miles per hour--pretty fast!

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4 years ago
Read 2 more answers
Need help ...............................
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