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Brums [2.3K]
3 years ago
12

Determine whether or not the two equations below have the same solution. In two or more complete sentences, explain your rationa

le
2/3x + 3/4 = 8
8x=87
Mathematics
2 answers:
Dimas [21]3 years ago
5 0
These equations do match up. All you have to do is find the solution to the first equation. After that, plug in that solution to the second equation. If it makes the equation true, then the equations match. 

Hope this helps!
zzz [600]3 years ago
5 0
If the two equation have the same solution, the x value of each will be equal.  So we solve each equation for x and see if they are equal...

2x/3+3/4=8

(8x+9)/12=8

8x+9=96

8x=87

x=87/8

And the other equation was:

8x=87 so

x=87/8

Since x=x the equations do have a solution 
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Two trains are traveling towards each other at a constant speed. The trains are currently 714 miles from each other. The speeds
shutvik [7]
55mph.

you can solve it using the equation distance=speed x time

your total distance is 714, and you have 2 trains, one traveling some speed, x, and one traveling x+8, both traveling for 7 hours. 
your equation would look like this
714 = x(7) + (x+8)(7)
and you can then solve for x, which would be 47. this is the speed of the slower train, but 47+8=55 with give you the speed of the faster train. 
6 0
3 years ago
Can someone plz help me out..... ​
Shtirlitz [24]

Answer: The correct answer is 3

Step-by-step explanation:

4³ = 64

The way to check your work is to multiply 4 x 4 x 4:

16 x 4 = 64

4 0
2 years ago
Read 2 more answers
How do I find the sum of 3x8
kakasveta [241]
You add eight three times (8+8+8=24)
5 0
2 years ago
Read 2 more answers
Am I stoopid for not knowing this?
WARRIOR [948]

Answer:

12

Step-by-step explanation:

6 0
2 years ago
2/4 - 2/7 in simplest form
prisoha [69]

2/4  = 1/2  

1/2 - 2/7   LCD of 2 and 7 is 14

7/14 - 4/14  = 3/14   

thats the answer
7 0
3 years ago
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