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ehidna [41]
3 years ago
6

If 3x-y=27 and 3x+y=243 what is the value of x?​

Mathematics
1 answer:
m_a_m_a [10]3 years ago
7 0
Answer: 4

Explanation:
Given that 3x−y=27, 3x+y=243
⇒3x−y =33 , 3x+y=35
=> x-y=3, x+y=5
=> x = 4
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4 0
2 years ago
You can buy 20 fluid ounces of shampoo for $4.40 or, you can buy 24 fluid ounces for $4.80 which is the better buy? Please answe
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Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
Please help!!<br> (This is Algebra 1!)
yKpoI14uk [10]

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Answer:

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So, the total cost of her purchases was $75.60

4 0
3 years ago
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