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Orlov [11]
3 years ago
12

If the sum of a number and one is doubled, the result is four less than the number. Find the number

Mathematics
1 answer:
TEA [102]3 years ago
5 0

Answer:

-6

Step-by-step explanation:

Let the number be 'x'

Sum of a number and one = x + 1

Sum of a number and one is doubled = 2*(x +1) = 2*x + 2*1 = 2x + 2

Four less than the number = x - 4

2x + 2 = x - 4

Subtract 'x' from both sides

2x - x + 2 = x - x - 4

x + 2 = -4

No, subtract 2 form both sides

x + 2 -2 = - 4 - 2

x = -6

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Answer:

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2 years ago
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3 years ago
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Answer:

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Answer:

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