Q: What is the answer in twice a certain number?

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Twice a number would be written as 2x.

If the number is represented by variable x, then twice the number is represented by 2x.

According to the statement twice a number minus 2 is 8 the answer is 5.

Twice 63 is 126.

No, it is the other way around. The total number of edges is twice the number of edges on the base.

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(92 x 2) - (9 x 2) = 162 - 18 = 144 The number is therefore 9.

the equation is 2x + 4 = x - 3 solving it yields x = -7

If a "certain number of men" less 10 takes 20 days (twice as long) to finish the piece of work, then the "certain number of men" who can finish the work in 10 days would 20. If it takes 10 men less twice as long to do the work, then twice 10 men (20) can finish the job in 10 days.

twice a number means a number times 2

Beth goals = 2x

You can be twice as certain about your speed now.

7 + 2x = x + 10 so 2x - x = 10 - 7 x = 3

The number required is 2/3 because 3*(2/3)+2*(3/2) = 5

Twice a number means to multiply the number by 2

Let the number be x Twice a number means 2x 7 less than twice a number means 2x-7

Twice the number n is 2n.

Twice a number would be written as 2x.