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Mathematics 10 Online
OpenStudy (anonymous):

If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalent to y from the first equation is substituted into the second equation. 8x – 2y = 4 4x + 5y = –18 4x + 5(–4x – 2) = –18 4x + 5(4x – 2) = –18 4(–4x – 2) + 5y = –18 4(4x – 2) + 5y = –18

OpenStudy (anonymous):

4x+5(4x-2)=-18

OpenStudy (anonymous):

positive? lol

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

lol

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