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arsen [322]
2 years ago
12

-8x - 10y = 24 6x + 5y = 2​

Mathematics
2 answers:
maksim [4K]2 years ago
6 0

Answer:

y= -8 x= 7

Step-by-step explanation:

iris [78.8K]2 years ago
3 0

-8x - 10y = 24

6x + 5y = 2

-8x - 10y = 24

12x + 10y = 4

4x = 28

x = 7

6(7) + 5y = 2

42 + 5y = 2

5y = -40

y = -8

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Answer:

The perimeter is the distance all the way around the outside of a 2D shape.  To calculate the perimeter, sum the lengths of all the sides.

Therefore, perimeter of the triangle = (2x - 8) + (2x + 5) + (30 - 3x)

Collect like terms:  2x + 2x - 3x - 8 + 5 + 30

Combine like terms:  x + 27

Therefore, perimeter of triangle = x + 27

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x + 27 = 25

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If x = -2, then the side with equation 2x - 8 = (2 x -2) - 8 = -12

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Step-by-step explanation:

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3 years ago
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