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STatiana [176]
3 years ago
6

I need the solution to 5x+2y=7 and 7x+6y=-3

Mathematics
1 answer:
OverLord2011 [107]3 years ago
6 0

Answer:

1. x=7/5-2y/5

2. x = − 8 √ 3 ( − 1 − 2 y )

Step-by-step explanation:

i did it

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Step-by-step explanation:

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In a child's bank are 11 coins that have a value of S1.85. The coins are either
Karo-lina-s [1.5K]

Answer:

The child has 6 dimes and 5 quarters.

Step-by-step explanation:

Let q and d represent the number of quarters and of dimes respectively.

Then q + d = 11 (Equation A), and ($0.25/quarter)q + ($0.10/dime)d = $1.85 (Equation B).

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--------------------------

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SOLVE: 18x+103x-3x<br> ill give brainliest
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Answer:

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Step-by-step explanation: hopes this helps

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