Question

6. Solve 3x + 4 = 9.​

Answer 1

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Question ⤵️

Solve 3x + 4 = 9.

Answer ⤵️

Equation: 3x + 4 = 9

= 3x + 4 = 9

= 3x = 9 - 4

= 3x = 5

= x = 5/3

Answer : x = 5/3

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Answer 2

$\underbrace{\mathfrak{Answer :-}}$

$\sf \bf 3x + 4 = 9$

Transposing 4 from LHS to RHS, changing its sign,

$\sf \bf 3x = 9 - 4$

On simplifying,

$\sf \bf 3x = 5$

Transposing 3 from LHS to RHS, changing its sign,

$\sf \bf x = \dfrac{5}{3}$

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More information :-

How many methods are there to solve Linear Equations in one variable?

There are three methods to solve Linear Equations in one variable :-

1) Trial and error method.

2) Transposition method.

3) Inverse operation.

What is trial and error method?

In this method, we keep trying all the values one by one till we get the answer.

What is transposition method?

In this method, we do the same thing to both sides of the equation and try to isolate the variable.

What is inverse operation?

In this method, we shift numbers from one side of the equation and change their sign while doing so.

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