How many solution of equation 2x+1=x-3 are there on the
i Number line
ii, cartesian plane
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Answer:
2x + 1 = x – 3
2x-x = -3-1
∴ x = – 4 ………..(i)
and it can be written as 1.x + 0. y = – 4 …………..(ii)
(i) Number line represent the all real values of x on the X-axis. Therefore, x = – 4 is exactly one point which lies on the number line.

(ii) Whereas the equation x + 4 = 0 represent a straight line parallel to Y-axis and infinitely many points lie on a line in the cartesian plane.
Step-by-step explanation:
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