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velikii [3]
2 years ago
6

3(x+5) = 7x + 12 - 4x + 3.

Mathematics
1 answer:
Tasya [4]2 years ago
4 0

Answer:

Infinitely many solutions

Step-by-step explanation:

<u>3(x+5)</u> = 7x + 12 - 4x + 3

3x + 15 = <u>7x</u> + 12 <u>- 4x</u> + 3

3x + 15 = 3x <u>+ 12 + 3</u>

3x + 15 = 3x + 15

They are the same equation, therefore there are infinitely many solutions.

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The graph shows two lines, A and B.
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Lily is cutting a piece of yarn into 3 (three) pieces. The 2nd piece is 3 times as long as the 1st piece, while the 3rd piece is
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Answer:

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Step-by-step explanation:

Let the length of the first piece = a

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b = 3a . . . . . (1)     (The 2nd piece is 3 times as long as the 1st piece)

c = 6 + a  . . . . (2)    (the 3rd piece is 6 centimeters longer than the 1st piece)

a + b + c = 211 . . . . . (3)    (  the yarn has a total length of 211 centimeters)

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