Why do we multiplying both the sides of equation by X to make it equal?please explain with a question

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Solution

We multiply both sides iof equation with X to solve equation easily

Let us consider the equation

x^2/5x=3

Multiplying both sides by x
=>x^2/5=3x

=>x^2=15x

=>x^2-15x=0

=>x(x-15)=0

=>x=0 or x=15

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Question 3

Which of the following is not allowed in a given equation?

(a) Adding the same number to both sides of the equation.

(b) Subtracting the same number from both sides of the equation.

(d) Dividing both sides of the equation by the same number.

The first step that we will use to separate variables and constants in the linear equation 2x + 3 = 7 is

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