Question

Solve the following equations :4(2-x)=9 pls solve ​

Answer 1

Answer:

x=-1/4

Step-by-step explanation:

4(2-x)=9

8-4x=9

-4x=9-8

-4x=1

x=-1/4

Answer 2

Answer:

The value of x is - 1 / 4.

Step-by-step-explanation:

The given linear equation is 4 ( 2 - x ) = 9.

We have to find the value of x i. e. the solution of the equation.

Now,

4 ( 2 - x ) = 9

⇒ 8 - 4x = 9

⇒ - 4x = 9 - 8

⇒ - 4x = 1

⇒ - x = 1 / 4

⇒ x = - 1 / 4

∴ The value of x is - 1 / 4.

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Verification:

By substituting x = - 1 / 4 in the LHS of the given equation, we get,

4 ( 2 - x ) = 9

LHS = 4 ( 2 - x )

⇒ LHS = 4 [ 2 - ( - 1 / 4 ) ]

⇒ LHS = 4 ( 2 + 1 / 4 )

⇒ LHS = 4 * 2 + 4 * 1 / 4

⇒ LHS = 8 + 4 ÷ 4

⇒ LHS = 8 + 1

⇒ LHS = 9

RHS = 9

∴ LHS = RHS

Hence verified!