There are an infinite number of pairs that do. The graph of that equation is
a straight line, and every point on the line satisfies the equation. There are
an infinite number of points on a line.
Here are a few of them:
x= -3, y= -24
x= -2, y= -16
x= -1, y= -8
x= 0, y= 0
x= 1, y= 8
x= 2, y= 16
x= 3, y= 24
x= 5.194, y= 41.552
x= 792, y= 6,336
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Choose any value for x. Calculate 8x to get the corresponding value for y.
They are the coordinates of the infinitely many points on the line defined by the equation.
These are equations of two straight lines. Provided the equations are not of the same or parallel lines, there can be only one ordered pair. So the ordered pair is - not are : (0.5, -1)
8x plus 4y equals 5 is 8x + 4y = 5.
(1, 1)