kayleewoodard
19.05.2020 •
Mathematics
Y = 5х – 7
—3x
2y = — 12
Solved
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Ответ:
We know that y=5x−7 so we are just going to replace the y in the other equation : −3x−2y=−12 −3x−2⋅(5x−7)=−12 −3x−10x+14=−12
Step-by-step explanation:
Ответ:
Friday plus Saturday : 40 + 30 = 70
70 ÷ 160 = 0.4375
43.75 %