SOLUTION: Solve the following linear equations (use the substitution method), giving the solution as a coordinate pair in the form (x,y). y = 9x + 9 y = 4x - 9 Answer: (-18/5

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Question 877841: Solve the following linear equations (use the substitution method),
giving the solution as a coordinate pair in the form (x,y).
y = 9x + 9
y = 4x - 9
Answer: (-18/5,117/5) or (-3 3/5, -23 2/5)

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
Since they're both equal to y set them equal to each other and solve for x.


Then use either equation to solve for




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