Give geometrical representation of equation 3x+12=0 in
1)one variable 2)two variables
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Solution
I have given the image of a similar kind of problem (i) In one variable, it is represented as: x=−92
[In your question ,solution is x=-4. so mark x=-4 instead of X=-9/2=-4.5]
(ii) In two variables, it is represented as a line parallel to Y-axis. 3x+0y+12=0 x=-4 Y can take any value. [According to your question, The vertical line willwbe shifted from x=-4.5 to x=-4. In the below picture]