Question

For what value of x are the following equations true?

$\text{2x - 4 = 12}$.

Answer 1

The given equation is $\text{2x - 4 = 12}$

$\text{2x - 4 = 12}$

$\text{2x = 12 +4}$

$\text{2x = 16}$

$\text{x=}\frac{16}{\text{2}}$

$\text{x = 8}$

When we put $\text{x = 8}$ in L.H.S of the equation $\text{2x - 4 = 12}$

$2\mathrm{x}-4=2\times 8-4$

$$\begin{gathered} =16-4 \\ =12 \end{gathered}$$

$\mathrm{L}.\mathrm{H}.\mathrm{S}=\mathrm{R}.\mathrm{H}.\mathrm{S}$

Hence, $\text{x = 8}$ for which the following equation is true.