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Delvig [45]
2 years ago
10

Is it possible to use substitution to solve a system of linear equations if one equation represents a horizontal line and the ot

her equation represents a vertical line?
Mathematics
1 answer:
Lady bird [3.3K]2 years ago
6 0

Answer:

  • No

Step-by-step explanation:

<u>Horizontal line:</u>

  • y = k

<u>Vertical line:</u>

  • x = m

The intersection is (m, k)

No substitution is possible, as no variables to substitute

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A

Step-by-step explanation:

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3 years ago
Simplify 4x + 8y - 3x + 2y
mezya [45]

Answer: 4x-3x, and 8y+2y. x+10y is the equation in simplest form.

Step-by-step explanation:

Step 1. You need to combine like terms:

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7 0
3 years ago
Read 2 more answers
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Zarrin [17]

Answer:

x = - 7, y = 6

Step-by-step explanation:

7x + 7y = - 7 -----> equation 1

- 10x - 7y = 28 -----> equation 2

Add equations 1 & 2,

7x + 7y = - 7

- 10x - 7y = 28

___________

- 3x + 0 = 21

- 3x = 21

x = 21 / - 3

x = - 7

Substitute x = - 7 in equation 1,

7x + 7y = - 7

7y + 7x = - 7

7y + 7 ( - 7 ) = - 7

7y - 49 = - 7

7y = - 7 + 49

7y = 42

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7 0
2 years ago
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The flag of a country contains an isosceles triangle. (Recall that an isosceles triangle contains two angles with the same measu
sveticcg [70]

Answer:

<1 = 33 degrees

<2 = 33 degrees

<3 = 114 degrees

Step-by-step explanation:

<1 and <2 = x

<3 = 3x+15

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x = 165/5

x = 33

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8 0
2 years ago
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MrRa [10]
Here is the answer hopes it helps

4 0
3 years ago
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