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spin [16.1K]
3 years ago
14

9.43 2.3x-6.7x=-0.3x

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
7 0
First solve the X factors on the left side: 2.3x - 6.7x = -4.4x 9.43-4.4x=-0.3x Next bring the all the x terms to the same side by adding -4.4x to each side 9.43=4.1x Then divide each side by 4.4 9.43/4.4 X=2.14 I think this is the answer but have to ask what is the sign that goes between 9.43 and 2.3x? This can drastically change the answer. Your goal is to solve for x, you do this by combining like like terms and isolating the the x terms.
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In a list of five consecutive odd integers, the sum of the first and double the last is 139. What is the largest sum?
Leviafan [203]

Answer: 49

Step-by-step explanation:

From your question, I think you mean the largest number. The answer is given below.

Let the five consecutive odd numbers be:

a, a+2, a+4, a+6 and a+8.

Thee sum of the first and double the last is 139. This can be written as:

a + 2(a+8) = 139

a + 2a + 16 = 139

3a + 16 = 139

3a = 139 - 16

3a = 123

a = 123/3

a = 41

The first number = 41

The largest number = a+8 = 41 + 8 = 49.

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Step-by-step explanation:

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