imcool666
17.10.2019 •
Mathematics
3(2x + 4y - 2z) + 7(x + y - 4z) a) 13x + 5y - 22z b) -x - 19y + 22z c) 13x + 19y - 34z d) -x - 5y + 34z 6)
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Ответ:
The answer is C. Because 3•2x=6x, 7•x=7x which added together = 13x and same way for the rest!
Ответ:
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