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Mathematics 14 Online
OpenStudy (anonymous):

Can somebody please help? I need help on this one problem 6x – 4y = 54 –9x + 2y = –69 please show work

OpenStudy (anonymous):

6x – 4y = 54 R1 –9x + 2y = –69 R2 1/2 R1 + R2 => -6x=-42 => x=7

OpenStudy (anonymous):

replace x=7 into R1 and solve for y

OpenStudy (anonymous):

can you show how to do the problems step by step

OpenStudy (anonymous):

|dw:1354598656855:dw||dw:1354598767288:dw||dw:1354598811488:dw| y=-6/4=-3/2

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