Question

The root of the equation 5x - 1 = 4 is

• A. $\frac{3}{5}$
• B. 5
• C. 1
• D. $\frac{1}{5}$

Answer 1

The correct option is C 1

The value of the variable which makes left hand side equal to right hand side in the given equation is called the solution or the root of the equation.

Given: 5x - 1 = 4
$\Rightarrow$ 5x = 5
$\Rightarrow$ x=$\frac{5}{5}$ = 1
Hence root of the equation/ value of x = 1