The sum of two number is twice the difference between two number.if the one number is 10 find the second number ?

Answer : 30

The sum of two number is twice the difference between two number.if the one number is 10 find the second number ?

Answer : 30

Explanation:

Assuming the second number is x
10 + x = 2*(x-10)
Simplify and solve
10 + x = 2x-20
10+20= x
x = 30
Therefore the second number is 30

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