Question

Solve the following equation using systematic method:
$2a+4=14$

Answer 1

Given $2a+4=14$

Dividing the whole equation by 2, we get

$\Rightarrow \frac{2a}{2}+\frac{4}{2}=\frac{14}{2}$

$\Rightarrow a+2=7$

Subtracting 2 both sides, we get

$\Rightarrow a+2-2=7-2$

$\Rightarrow a=5$