SOLUTION: I had to use the substitution method to solve 9x+5y=-18 and -3x+y=30. After using the substitution method I came up with the order pair (-7, 9). My problem is, how do I figure out

Question 478434: I had to use the substitution method to solve 9x+5y=-18 and -3x+y=30. After using the substitution method I came up with the order pair (-7, 9). My problem is, how do I figure out if the solution to this system is consistent or inconsistent?
Answer by Tatiana_Stebko(1539) (Show Source): You can put this solution on YOUR website!
Substitute , into the system, if both equations will be correct equalities - so the solution to this system is consistent

correct, so the solution to this system is consistent
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