Equations

Hong Kong

Stage 1 - Stage 3

A number (call it $n$`n`) minus nine is equal to three.

a

Write the equation using mathematical symbols.

b

What is the value of $n$`n`?

Easy

Less than a minute

A number (call it $n$`n`) plus four is equal to seven.

A number (call it $n$`n`) multiplied by two results in six.

A number (call it $n$`n`) is divided by three to give five.

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