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Bingel [31]
3 years ago
11

The difference of twice a number and five is three. Find the num

Mathematics
1 answer:
Grace [21]3 years ago
7 0

Answer:

add 5 then multiply by 1/2

Step-by-step explanation:

Twice a number  is 2n.

The difference of twice a number and five 2n - 5.

The difference of twice a number and five is three. 2n - 5 = 3

2n - 5 = 3

2n - 5 + 5 = 3 + 5     (1) add 5

2n = 8

1/2*2n = 1/2*8    (2) multiply by 1/2

n = 4

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