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in Linear Equations by (56.3k points)

Give the geometrical representation of 2x + 13 = 0 as an equation in 

(i) one variable 

(ii) two variables

1 Answer

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Best answer

2x + 13 = 0 

(i) Isolate given equation in x 

Subtract 13 from both the sides 

2x + 13 – 13 = 0 – 13 

2x = -13 

Divide each side by 2 

x = -13/2 = -6.5 

Which is an equation in one variable.

(ii) 2x + 13 = 0 can be written as 2x + 0y + 13 = 0 

The representation of the solution on the Cartesian plane: A line parallel to y axis passing through the point (-13/2 , 0):

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