lilly9645
25.04.2021 •
Mathematics
Subtract -5x²+10x-1from6x²-x+3
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Ответ:
22
Step-by-step explanation:
number of gum = x
number of candy bar = y
0.54x + 0.88y = 26.38
x + y = 35
0.54x + 0.88y = 26.38
(+) -0.54x - 0.54y = -18.9
0.34y = 7.48
y = 7.48/0.34
y = 22
22