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Scrat [10]
3 years ago
7

I need help solving this thing.

Mathematics
1 answer:
blondinia [14]3 years ago
6 0

Answer:

x=-3  y=-1

(-3,-1)

Step-by-step explanation:

-1(2x-7y=1)

-7x-7y=28

-2x+7y=-1

-9x=27

x=-3

-2*-3-7y=1

y=-1

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Answer:

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Step-by-step explanation:

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3 years ago
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Serenity picked 75% of the apples of a tree in her backyard. If she picked 30 apples, how many apples were on the tree to begin
Stells [14]

Given:

Serenity picked 75% of the apples of a tree in her backyard.

She picked 30 apples.

To find:

The number of apples on the tree in the beginning.

Solution:

Let x be the number of apples on the tree in the beginning.

Serenity picked 75% of the apples of a tree in her backyard.

Number of apples picked = 75% of x

                                           = \dfrac{75}{100}x

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3 years ago
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Answer:

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