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Effectus [21]
3 years ago
7

Multiplying a number by 2 and then adding 5 gives the same number as subtracting a number from 23. What is the number?

Mathematics
1 answer:
Andreas93 [3]3 years ago
3 0
2 * x + 5 = 23 - x <=> 3 * x = 18 <=.> x = 6;
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Let U = {1,2,3,4,5,6,7,8,9,10}, A = {1,3,5,7,9}, B = {2,4,6,8,10} and C = {1,2,3,4} find (i) U' ii) A∩A' iii) A – ( B U C) iv) A
Artyom0805 [142]

Answer:

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Step-by-step explanation:

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