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Alinara [238K]
3 years ago
13

Solve by elimination 8x-6y=-20 -16x+7y=30

Mathematics
1 answer:
guajiro [1.7K]3 years ago
7 0

The answer is

X=-1

Y=2

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Ainat [17]
The answer is c.
I will explain

p - 2r = q

1. Move variable to the right by adding it’s opposites on both sides

p - 2r + 2r = q + 2r

2. Eliminate the opposites (-2r and +2r)

p = q + 2r

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An equilateral triangle has 3 congruent sides so the 2 expressions above are equal
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And then you solve for x
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ohaa [14]

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Step-by-step explanation:

4 0
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What is the area of the triangle
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Area of the triangle:
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