SOLUTION: In the algebraic linear equation, x = 4, why is the "x" a vertical line?

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Question 315458: In the algebraic linear equation, x = 4, why is the "x" a vertical line?
Answer by J2R2R(94) About Me  (Show Source):
You can put this solution on YOUR website!
In the algebraic linear equation, x = 4, why is the "x" a vertical line?

With x=4, it doesn’t matter what the value of y is but the value of x must remain at 4. This means that because the x-axis is horizontal you cannot move horizontally i.e. away from 4 because you are fixed at x=4; but since the y-axis is vertical and the value of y can take any value, you can move vertically.

I hope this explains.