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SIZIF [17.4K]
3 years ago
14

Solve each by elimination 4x - y = 105 x + 7y = -10

Mathematics
1 answer:
Svet_ta [14]3 years ago
4 0

Answer:

point form:

(25, -5)

Equation form:

x= 25, y= -5

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Answer:

  1. y = -5x +10
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  4. see attached

Step-by-step explanation:

1. Subtract 5x from both sides to put the equation in slope-intercept form:

  y = -5x +10

__

2. The y-intercept is the point corresponding to x=0. The y-value when x=0 is the constant in the equation: 10. Then the point is ...

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You may notice this is one of the points listed in part 4, and is also used in question 3.

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3. The x-value computed is 1; the y-value computed is 5. The point is ...

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4. See attached

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Answer:

3√6

Explanation:

explanation is in the image above

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