SOLUTION: Solve the system by graphing both equations on the same set of axes and then reading the solution from the graph. 8x-9y=72 x-y=4

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Question 356811: Solve the system by graphing both equations on the same set of axes and then reading the solution from the graph.
8x-9y=72
x-y=4
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

Solution for 8x-9y=72  and x-y=4

graphing y = (8/9)x - 8  and y = x-4

reading the solution from the graph (-36, -40)

substitution verifies that solution

+graph%28+300%2C+300%2C+-44%2C+44%2C+-44%2C+44%2C+%288%2F9%29x-8%2C+x-4%29+