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QveST [7]
3 years ago
11

Substitution Method2x+5y=-1y=3x+10​

Mathematics
1 answer:
Grace [21]3 years ago
8 0
Substitution for both equations is (-3,1)
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At an electronics store, a smart phone is on sale for 35% off the original price of $679. If you use the store credit card, you
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Answer:

The  final price of the smart phone if you use the store credit card is $339.5

Step-by-step explanation:

Given;

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