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Lana71 [14]
3 years ago
14

How do solve this problem

Mathematics
1 answer:
Tanzania [10]3 years ago
8 0
Multiply the first equation by 3
21x+15y=-6

Add this to the second equation
21x+15y=-6
-21x-15y=6
0+0=0

True

Final answer: Infinitely Many Solutions (they are coinciding lines)
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Step-by-step explanation:

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Step-by-step explanation:

As given

marge cut 16 pieces of tape for mounting pictures on poster board.

Each\ piece\ of\ tape\ was\ \frac{3}{8}\ inch\ long.

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Total\ tape\ marge\ uses = \frac{16\times 3}{8}

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