Question

(i) х? – 3х – 10 = 0​

Answer 1

Answer:

x=-10/3

Step-by-step explanation:

-3x -10 = 0

-3x = 10

x=10/-3 = -10/3

Answer 2

Answer:

Value of x = -5

Step-by-step explanation:

Given :

x-3x-10=0

To find :

The value of x

Solution :

$:\implies\sf{x-3x-10=0}$

$:\implies\sf{(x-3x)-10=0}$

$:\implies\sf{-2x-10=0}$

$:\implies\sf{-2x=0+10}$

$:\implies\sf{-2x=10}$

$:\implies\sf{x=\cancel{\dfrac{10}{-2}}}$

$:\implies\sf{x=-5}$

So , the value of x is -5 .

Verification :

To verify the equation find the value of RHS and LHS . If the RHS will be equal to LHS . Then the answer will get verified.

$:\implies\sf{-5-3\times-5-10=0}$

$:\implies\sf{-5+15-10=0}$

Add the (+) integer and the (-) integer . After that subtract the (-) integer from the (+) integer .

$:\implies\sf{15-(5+10)=0}$

$:\implies\sf{15-15=0}$

$:\implies\sf{0=0}$

Hence , verified .