If you're asking for the graph, then the function y=x would look like a diagonal line going towards the upper-right hand corner of the coordinate plane.
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Like Y = X Except it is a line through the origin in the second and fourth quadrant to show it's negativity.
Well, the graph of y = -2 would look like: y ^ | | | | <----------------------------------------> x | <----------------------------> y=-2 | | So, you can see that the line where y = -2 never crosses the x-axis, so there is no x-intercept.
Transitive property: If 8 equals x and x equals y, then 8 equals y.
Your question is like this:X+Y=15, X-Y=5, (X x Y)-X+Y= ?According to my calculations, X=10 and Y=5, therefore (X x Y)-X+Y= 45.
y = x + 2 y = 2 - x so x + 2 = 2 - x Combining like terms: 2x = 0 so that x = 0 and then, from the first equation, y = 2