Answer:
3.5
Explanation:
let x represent the number.
twice the number = 2x
2x + 5 = 12
2x = 12-5
2x = 7 ; divide both sides by 2.
x = 3.5
Step-by-step explanation:the sum of twice a no. means 2x + and 5 is at least 12 means that the question is 2x+5 =12
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