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Mathematics 23 Online
OpenStudy (anonymous):

For the following system, use the second equation to make a substitution for x in the first equation. x + 5y - 10 = 0 x = 2y - 8 What is the resulting equation in simplest form? -3y - 18 = 0 3y - 18 = 0 7y - 18 = 0

jhonyy9 (jhonyy9):

in the first equation in place of x write 2y-8 so will get 2y-8 +5y -10 = 0 make calculi and see what choice will get - ok. ?

OpenStudy (anonymous):

thanks

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