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Alex787 [66]
3 years ago
14

Which number(s) from the set {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, if any, will solve this equation?

Mathematics
1 answer:
8090 [49]3 years ago
8 0
Hello!

You solve this algebraically

2x + 3 = 5x - 3

Subtract 2x from both sides

3 = 3x - 3

Add 3 to both sides

6 = 3x

Divide both sides by 3

2 = x

The answer is A) 2

Hope this helps!
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Answer:

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To prove the last 2 recurring ones:

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Notice how the decimal part of 10x is the same as for x:

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Same procedure for the other one but times by 100 instead:

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Equation: 3x - 11 = 85

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Vlada [557]
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