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OpenStudy (anonymous):
Solve the following system of equations. x + y = 14 -x + y = 16
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OpenStudy (anonymous):
-x + y = 16 y = 16+x subsitute this equation to x + y = 14 , then x + y = 14 x + (16+x) = 14 2x + 16 = 14 2x = 14 - 16 2x = -2 x = -2/2 x = -1
OpenStudy (anonymous):
Would it be (-1, 15)?
OpenStudy (anonymous):
@gerryliyana
OpenStudy (anonymous):
no no nevermind @sfregozo
OpenStudy (anonymous):
so its not -1,15 then?
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