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Mathematics 7 Online
OpenStudy (anonymous):

solve the system of equations by substitution x=-4y x+5y=2 HELP?!

OpenStudy (mrnood):

the first equation tells you that x EQUALS -4y SO in the second eqution , wherever you see "x" you can substitute -4y so first write the secon equation making that substitution (wherever there is x , write -4y)

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