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OpenStudy (anonymous):
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 7x + 8y = 51 7x + 10y = 55
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OpenStudy (anonymous):
7x+8y=51 7x+10y=55 ----------- - -2y=-4 -> y=2 substitute to find x 7x+8(2)=51 -> 7x+16=51 7x=35 ->x=5
OpenStudy (anonymous):
thank you very much for the help i came up with that answer but i wasn't sure if it was correct now can i ask a silly question?
OpenStudy (anonymous):
sure
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