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kondaur [170]
2 years ago
8

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

Mathematics
2 answers:
Anton [14]2 years ago
5 0

Answer:

Step-by-step explanation:

LEt the number be x.

2x - 5 = 3

2x = 3 + 5 = 8

x = 8/2 = 4

To solve the equation: add 5 to both sides and then multiply by 1/2.

Liula [17]2 years ago
5 0

let x represent the unknown number
2x-5=3
(add 5 to both sides)
2x=8
(divide by 2 on both sides)
x=4
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-2a-9=6a+15

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