Question

one number is twice the other.together they are 15.the equation is​

Answer 1

Answer:

X + 2X = 15

Step-by-step explanation:

Let one number be x therefore another no is 2x so equation is x + 2x = 15

Answer 2

Let the numbers be x and y (x>y)

By the given conditions,

x = 2y ---------(1)

x+y = 15 -------(2)

Substituting (1) in (2)

2y+y = 15

3y = 15

y = 5

x = 2y = 2*5 = 10

x = 10 and y = 5

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