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how to solve an x y equation. X y 1 3 y 2 x We have two independent equations to solve for two unknown variables. Solving Equations Video Lesson Khan Academy Video.
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Subtract x from both sides. 3x - 5x 2 -11. X y 1 2 2 1 x y 1 - 2 2 - 1 Graph the line using the slope and the y-intercept or the points.
Plug in the x value in to the first equation to find out the y value.
This one is simple just add the 2 zeros. This one is simple just add the 2 zeros. Check your work by plugging in the x and y values in to both of the equations. 2x 3y 9 and x y 3.
