If you were to draw both graphs, then the point that they cross will give you the solutions for both x and y at the same time.
To draw the graphs, get them into the form y = mx+c, where m is the gradient and c the y intercept.
We have then y = 2/5x +0 & y = 3/2x+0
Therefore the only solution is x = y = 0
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By graphing the lines on the coordinated plane they will intersect at (2, -4) which is the solution of the equations
2x + 2y = 44x + y = 1There are many methods you can use to solve this system of equations (graphing, elimination, substitution, matrices)...but no matter what method you use, you should get x = -1/3 and y = 7/3.
2x+a=p 2x=p-a x=.5p-.5a
x = -8
2x+3 = 7 2x = 7-3 2x = 4 x = 2