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Ede4ka [16]
3 years ago
8

Can someone substitute the problem in the picture? Please

Mathematics
2 answers:
Naddik [55]3 years ago
7 0
If you solve by substitution , you would get and the equation -3x-2(5x-7)=12 which if you solve becomes a -3x-10x+14=12
You than want to combine like terms , so you combine -3x and -10x and bring the other problem down.
-13x+14=12
You subtract the 14 from itself and the 12 to leave -13 with its variable alone.
Now you should have -13x=-2
You divide both sides by -13 and you’ll get x=2/13
Next step is you plug back this answer to the y=5x-7
And you’ll get y= -81/13
Lelechka [254]3 years ago
4 0

Next time, write down the problem.

y = 5x - 7 -3x - 2y = -12

Creative box:

(5x - 7) - (3x - 2y) = -12

5x - 3x = 2x

(2x - 7) - (2y)

y = -12

2 x -12 = -24

(2x - 7)  (-24) = answer (i'm not sure if its right, because I don't know if that is how the answer was supposed to be written)

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The object needs 10.58 minutes to travel 1 4/5 if the object is traveling at a steady speed of 10 1/5 mi​/h.

<h3>What is the distance?</h3>

Distance is a numerical representation of the distance between two items or locations. Distance refers to a physical length or an approximation based on other physics or common usage considerations.

It is given that:

An object is traveling at a steady speed of 10 1/5 mi​/h.

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As we know, the speed-distance relationship:

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distance = 1 4/5 = 9/5

time = (9/5)/(51/5)

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Learn more about the distance here:

brainly.com/question/26711747

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