2 years ago

9x +35=105x-72 Can you solve it?

Mathematics

1 answer:

Otrada [13]2 years ago

3 0

I did my math on a piece of paper but the answer would be x= 107/96

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n = 20

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a = 4

L = a + (n - 1)*d

L = 4 + (20 - 1)*6

L = 4 + 19*6

L = 118

Sum = (a + L)*n/2

Sum = (4 + 118) * 20/2

Sum = 122 * 10

Sum = 1220

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2 years ago

I don’t understand lol

pogonyaev

Answer:

3*r = 3

Step-by-step explanation:

$\dfrac{24}{r}=3\\\\24 = r*3\\\\\dfrac{24}{3}=r\\\\6 = r$ 6 is a solution.

$3*r=3\\\r =\dfrac{3}{3}\\\\r = 1\\$

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6 is a solution

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