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AvaReed:
01:24:47 Which ordered pair is a solution to the system of linear equations Negative 4 x + y = 8 and x minus 5 y = 17? (–4, –3) (–4, 3) (–3, –4) (–3, 4)
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AvaReed:
plz help
XioGonz:
-4x + y = 8 x - 5y = 17 4x - 20y = 68 -19y = 76 y = 76/-19 y = -4
x - 5(-4) = 17 x = 17 - 20 x = -3
XioGonz:
Now check the answer like:
-4(-3) + -4 = 8 12 - 4 = 8 8 = 8 ✔
AvaReed:
thank you so much
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