allisonlillian
17.08.2021 •
Mathematics
Exercise 16.4 Add the following expressions. (a) + 5y - 43 and 3x -y + 8z. &r + 5x + 9 and 3r?- 12x - 6. ab + 7bc-8ca and 5ab-9bc + 12ca. (d) - 17+ y4r- 5xy - 9y2 and 2x² + 3xy + 4y-. (e) 29+%*j*+xy?, 4xy – 6x+y++ 8x32 and 2x^y + 2x^y2 (b (c) from Subtract (a) 2a+36-40 (b) 4x2+812 - 9:2 from 5a + 4b-8c. 9x + 1ly-- 1322 Oxy + 7yz - 10zx. from
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