[tex]\begin{gathered} \frac{m}{5}=4 \\ \text{The basic rule for all equations in math is;} \\ \text{Whatever you do to the left side must also be done to the righr side} \\ \text{That way the equation will always be "balanced"} \\ \text{If m over 5 is on one side, then to isolate the variable m, you multiply by 5} \\ \text{This is because 5 is below the division line, which means m over 5 means m is dividing the number 5} \\ \text{Therefore to remove the 5, you have to multiply m over 5 by 5 over 1} \\ \operatorname{Re}member\text{ that we shall do the same thing to both sides of the equation} \\ \text{Therefore multiply BOTH SIDES of the equation by 2} \\ \frac{m}{5}\times5=4\times5 \\ m=20 \end{gathered}[/tex]
