SOLUTION: Solve the system by using either the substitution or the elimination-by-addition method, whichever seems more appropriate. 3x-7=15 5x+7y=9

Algebra ->  Algebra  -> Inequalities -> SOLUTION: Solve the system by using either the substitution or the elimination-by-addition method, whichever seems more appropriate. 3x-7=15 5x+7y=9      Log On

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Question 441051: Solve the system by using either the substitution or the elimination-by-addition method, whichever seems more appropriate.
3x-7=15
5x+7y=9
Answer by Mlallory_Pl(3) About Me  (Show Source):
You can put this solution on YOUR website!
Are you sure those are the right equations?