Year 11 Maths - General Linear Relations and Equations

Setting up Linear Equations (1 Unknown)

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Question 1

19672

A number is increased by 4 and then multiplied by 6 the result is 30. The number is?

Answer

Worked Solution

\begin{align}
&\text { Let } x=\text { the number } \\
&\begin{aligned}
\therefore \frac{6}{\textcolor{red}{6}}(x+4)&=\frac{30}{\textcolor{red}{6}} \\
x+4\textcolor{red}{-4} &=5\textcolor{red}{-4} \\
x&=1 \\
\end{aligned}
\end{align}

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