Solve the equation 3x + 2 = x − 8, and represent the solution on (i) the number line
(ii) the Cartesian plane.

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Solution

We are given,

we get,

The representation of the solution on the number line, when given equation is treated as an equation in one variable.

The representation of the solution on the Cartesian plane, it is a line parallel to y axis passing through the point (–5, 0) is shown below

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Similar questions

2 x + 1 = x - 3

Question 7
How many solution(s) of the equation 2x + 1 = x - 3 are there on the:
(i) number line?
(ii) Cartesian plane?

(y - 1) = - y + 5

3 x - 7 > 2 (x - 6), 6 - x > 11 - 2 x

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