quinryan
quinryan
17-02-2021
Mathematics
contestada
solve by elimination
-x+ 5y = 28
x+3y = 20
Respuesta :
mnkeitz
mnkeitz
17-02-2021
(x’s cancel) 2y = 8
y = 4
plug y back into one of the equations
x + 12 = 20
x = 8
therefore, y=4 and x=8
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