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3 years ago

7

What is the value of x?

1 answer:

Aliun [14]3 years ago

7 0

The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol.

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Step-by-step explanation:

We can use the continuous compound interest formula to solve:

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<em>t = time (years)</em>

<em />

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3 years ago