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pantera1 [17]
2 years ago
9

Tuse

Mathematics
1 answer:
Serhud [2]2 years ago
7 0
Answer: x=4 and BC=20


STEPS:

Set the equation for AC and DF equal to each other then solve for x.

2x+7=5x-5

Eliminate the -5 by adding it to both sides.

2x+12=5x

Move the x to one side by subtracting 2x from both sides.

12=3x

Isolate the x by dividing both sides by 3

4=x


EF=5x which means BC=5x

5(4)= 20

So BC= 20
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Step-by-step explanation:

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6 0
3 years ago
Need help solving for X
artcher [175]
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3 years ago
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Olegator [25]

Answer:

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8 0
3 years ago
-5x+y=-3
serg [7]
(3)(-5x+y=-3)
(5)(3x-8y=24)

-15x+3y=-9
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3y=-9
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Divide both sides by -37

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To solve for x. Choose one equation from the given and plug what you get in Y.

I'll choose, -5x+y=-3
So, -5x+(-3)=-3
-5x=0
Divide both sides by -5
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Hope, this helps.
5 0
3 years ago
Science notation is a good way to write what kinds of numbers? Select more then one answer
Marysya12 [62]
E:very large numbers

hope this helps, pal
3 0
3 years ago
Read 2 more answers
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