Question

solve and verify the result 5x+10=-5 ​

Answer 1

$\bold \red \star \: \large \underline{Solution:-}$

$5x + 10 = - 5. \\ \\ i.e. \: \: \: \: \: \: 5x = - 15. \\ \\ i.e. \: \: \: \: \: \:x = \frac{ - \cancel{15}}{ \cancel5} . \\ \\ i.e. \: \: \: \: \: \:x = - 3.$

_________________________________

$\\ \\ \bold \red \star \: \large \underline{Verify:-}$

$\: \: \: \: \: \: \: 5x + 10 = - 5. \\ \\ 5( -3 ) + 10 = - 5. \\ \\ \: \: \: - 15 + 10 = - 5. \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \blue{ - 5 }= \pink{ - 5.}$

$Hence, \: Proved \: \: \blue{ LHS} = \pink{RHS.}$

Answer 2

Answer:

=> The value of x is -3 and it satisfies the expression.

Step-by-step explanation:

Given that:-

$5x + 10 = - 5$

To find:- The value of the expression and also verify the answer,  

Here we will use the transposition method.  

We have to follow these steps:-  

( i ) First of all, we have to identify the variables and the constants.  

( ii ) Get the variable to one side of the equation. Maintain equation balance while calculating.

( iii ) Then solve the expression of both sides by using various mathematical operations. Simplify both sides.  

As we have,  

=> $5x + 10 = - 5$

Now subtract both sides by $10$, we get

=> $5x + 10 -10= - 5-10$

Simplifying it further, we get

=> $5x = - 5-10$

=> $5x = -15$

Divide both sides by $5$,

=> $x = -3$

So, the value of x is -3

Verification:-

Plug the value of x in the expression:

=> $5x + 10 = - 5$

=> 5 ( -3 ) + 10 = - 5

=> -15 + 10 = - 5

=> -5 = -5

LHS = RHS