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JulsSmile [24]
3 years ago
7

one coin is seven more than twice as old as another. Represent the ages of the coins using a single variable.

Mathematics
1 answer:
Rama09 [41]3 years ago
3 0

Answer:

x = age of coin 1

7 + 2*x = age of coin 2.

Step-by-step explanation:

We have two coins, let's denote the ages as:

x = age of coin 1

y = age of coin 2.

Then, the statement is:

"one coin is seven more than twice as old as another."

let's suppose that this refers to y, then:

y = 7 + 2*x

So now we can represent the ages of both coins with only one variable, x.

x = age of coin 1

7 + 2*x = age of coin 2.

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