4. Linear Equations in Two Variables
easy

समीकरण $2 x+1=x-3$ के निम्नलिखित पर कितने हल स्थित हैं

$(i)$ संख्या रेखा

$(ii)$ कार्तीय तल

Option A
Option B
Option C
Option D

Solution

$(i)$ The number of solution(s) of the equation $2 x +1= x -3$ which are on the number line is one.

$2 x+1=x-3 \Rightarrow 2 x-x=-3-1 \Rightarrow x=-4$

$\therefore x=-4$ is the solution of the given equation.

$(ii)$ The number of solution(s) of the equation $2 x +1= x -3$ which are on the Cartesian plane are infinitely many solutions.

Standard 9
Mathematics

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