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Anton [14]
4 years ago
8

Solve the system of equations using substitution

Mathematics
1 answer:
Ira Lisetskai [31]4 years ago
3 0

Answer:

x=-1, y=9. (-1, 9).

Step-by-step explanation:

6x-y=-15

x+2y=17

--------------

y=6x-(-15)

y=6x+15

x+2(6x+15)=17

x+12x+30=17

13x=17-30

13x=-13

x=-13/13

x=-1

-1+2y=17

2y=17-(-1)

2y=17+1

2y=18

y=18/2

y=9

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The complete inequality is -2 < x < 35

<h3>How to determine the range of value of x?</h3>

The figure attached to the question is the given parameter

From the figure, we understand that:

Side length BA and side length BD are equal.

This is represented as:

BA = BD

Because the side length AC is less than the side length CD, then it means that:

The measure of the angle ABC is less than the measure of the angle CBD

This is represented as:

∠ABC < ∠CBD

Where

ABC = x + 2

and

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Substitute ABC = x + 2 and CBD = 37 in the inequality expression ∠ABC < ∠CBD

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-2 < x < [ ]

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Read more about angles at:

brainly.com/question/24839702

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