Question

Half of number decreased by 20 is 10 what is the number
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Answer 1

Answer:

10

Step-by-step explanation:

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Answer 2

Answer:

1/2x = 20+10

1/2x = 30

x = 30 /  1/2 = 30*2 = 60

x =60

60 is number

1/2*60 = 30

30-20 = 10

Step-by-step explanation:

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