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aleksklad [387]
2 years ago
9

X/4 -3 = 1/3 + 2x solve for x

Mathematics
1 answer:
ivann1987 [24]2 years ago
4 0

Answer:

Step-by-step explanation:

\frac{x}{4} - 3 = \frac{1}{3} + 2x ...... <em>(1)</em>

(1) × 12 :

3x - 36 = 4 + 24x

21x = - 40

x = - \frac{40}{21} = -1\frac{19}{21}

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The answer is 8, because 64÷8= 8!simple
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the sum of the digits of a certain two-digits number is 7.Reversing its digits increases the number by 9.What is the number
rusak2 [61]
Unit digit=y
tens digit=x
the number: 10x+y

We suggest this system of equations:
x+y=7
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we solve it by substitution method.
x=7-y
10y+(7-y)=(10(7-y)+y)+9
9y+7=70-10y+y+9
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solution: the number: 34

To check:
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3 years ago
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Step-by-step explanation:

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inn [45]

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It's important to know that the proper way to find the distance here is by subtraction, we need to subtract the final points and the initial point. In math, such subtraction is called "differential" or "variation", just a fancy name.

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<h2>Therefore, the distance from O to B is 2.5 units.</h2>
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