Durells Introductory Algebra
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In our eReader you can find the full English version of the book. Read Durells Introductory Algebra Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Durells Introductory Algebra
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X + 5y = - 3 5z + 3y = 2 7x + 8y = 6 3. 4z + 3y = 1 6. 3x - 2y = 4 2x - Q = 3 5x - = 7 226 SCHOOL ALGEBRA 7. 2y + x = Q 13 - - 2 = 3 4x + 6y = - 3 '35 8. 9z-8i/ = 5 I + 2 = 8 15z + 12y = 2 14 2* + 2 = i 9. 4x - 6y + 1 = 34 10. 8x + 5y = 6 = ^ + 6y + 2x = 11 is. + ^= -7 11. 5*-32/ = 36 5 2 __ ___A 4 9" T" 6 " 17. Find two numbers whose sum is 12 and whose differ- ence is 2.
18. The half of one number plus the third of another number equals 13, while the sum of the numbers is 33. Find the numbers....
19. State Ex. 1 as a problem concerning two numbers.
20. State Ex. 2 as a problem concerning two numbers.
21. 7 lb. Of sugar and 3 Ib. Of rice together cost 57^; also 5 lb. Of sugar and 6 lb. Of rice cost 60^. Find the cost of a pound of each.
22. Make up and work an example similar to Ex. 18. To Ex. 21.
23. How many examples in Exercise 50 (p. 170) can you now work at sight?
SIMULTANEOUS EQUATIONS 227 137. II. Elimination by Substitution.
Ex. Solve 5x+2y = 36 . . . . ..... (1) 2x + 3i/ = 43 .........
What to read after Durells Introductory Algebra?
You can find similar books in the "Read Also" column, or choose other free books by Fletcher Durell to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
X + 5y = - 3 5z + 3y = 2 7x + 8y = 6 3. 4z + 3y = 1 6. 3x - 2y = 4 2x - Q = 3 5x - = 7 226 SCHOOL ALGEBRA 7. 2y + x = Q 13 - - 2 = 3 4x + 6y = - 3 '35 8. 9z-8i/ = 5 I + 2 = 8 15z + 12y = 2 14 2* + 2 = i 9. 4x - 6y + 1 = 34 10. 8x + 5y = 6 = ^ + 6y + 2x = 11 is. + ^= -7 11. 5*-32/ = 36 5 2 __ ___A 4 9" T" 6 " 17. Find two numbers whose sum is 12 and whose differ- ence is 2.
18. The half of one number plus the third of another number equals 13, while the sum of the numbers is 33. Find the numbers....
19. State Ex. 1 as a problem concerning two numbers.
20. State Ex. 2 as a problem concerning two numbers.
21. 7 lb. Of sugar and 3 Ib. Of rice together cost 57^; also 5 lb. Of sugar and 6 lb. Of rice cost 60^. Find the cost of a pound of each.
22. Make up and work an example similar to Ex. 18. To Ex. 21.
23. How many examples in Exercise 50 (p. 170) can you now work at sight?
SIMULTANEOUS EQUATIONS 227 137. II. Elimination by Substitution.
Ex. Solve 5x+2y = 36 . . . . ..... (1) 2x + 3i/ = 43 .........
What to read after Durells Introductory Algebra?
You can find similar books in the "Read Also" column, or choose other free books by Fletcher Durell to read onlineMoreLess
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