Question

trial and error method
(3x)/8 = 15​

Answer 1

Answer:

x = 40

Step-by-step explanation:

Checking with 40

3×40/8 = 15

120/8 = 15

15 = 15

Hence proved.

Answer 2

Answer:

The value of x is 40

Step-by-step explanation:

Here we have been given to find the value of the unknown variable x by the method of trial and error. We will put different values of x in the LHS to make it equal to RHS. The value of x satisfying the equation will be the required answer.

$\frac{3x}{8} = 15$

Putting x = 1 we have,

$\frac{3(1)}{8}$ = $\frac{3}{8}$ which is not equal to RHS hence this is not the solution.

Similarly, we go on putting values further.

Now putting x = 40 we have,

$\frac{3(40)}{8}$ = 3 × 5 = 40 which is equal to the RHS.

Hence the value of x is 40