If necessary, multiply the given equations by such numbers as will make the coefficients of one of the unknown numbers in the resulting equations of equal absolute value. New School Algebra - Page 176by George Albert Wentworth - 1898Full view - About this book
| James Cahill (of Dublin.) - Algebra - 1875 - 230 pages
...Method. — Given 3z+4'/=43 \ to find the values 5x — 7y= — 24 J of x and y. Rule Multiply the two **equations by such numbers as will make the coefficients of one of the unknown** quantities the same in both the resulting equations, and from these last equations obtain, by addition... | |
| Charles Mansford - 1875 - 110 pages
...These illustrations give the following general rule. Multiply each of the equations, where necessary, **by such numbers as will make the coefficients of one of the unknown** quantities tlie sume in each equation. Then if the signs of this unknown quantity are alike, subtract... | |
| George Albert Wentworth - Algebra - 1881 - 406 pages
...subtraction, Multiply the equations by such numbers as will make the coefficients of this unknown quantity **equal in the resulting equations. Add the resulting...subtract one from the other, according as these equal** quantities have unlike or like signs. NOTE. It is generally best to select that unknown quantity to... | |
| Webster Wells - Algebra - 1885 - 372 pages
...— 1, у = 2. This solution is an example of elimination by subtraction. EULE. Multiply the given **equations by such numbers as will make the coefficients of one of the unknown** quantities equal. Add or subtract the resulting equations according as the equal coefficients have... | |
| Webster Wells - Algebra - 1885 - 370 pages
...— l , у = 2. This solution is an example of elimination by subtraction. RULE. Multiply the given **equations by such numbers as will make the coefficients of one of the unknown** quantities equal. Add or subtract the resulting equations according as the equal coefficients have... | |
| Webster Wells - 1885 - 368 pages
...— 1 , y = 2. This solution is an example of elimination by subtraction. BULE. Multiply the given **equations by such numbers as will make the coefficients of one of the unknown** quantities equal. Add or subtract the resulting equations according as the equal coefficients have... | |
| George Albert Wentworth - Algebra - 1886 - 284 pages
...subtraction, Multiply the equations by such numbers as will make the coefficients of this unknown quantity **equal in the resulting equations. Add the resulting...subtract one from the other, according as these equal** quantities have unlike or like signs. NOTE. It is generally best to select that unknown quantity to... | |
| Webster Wells - Algebra - 1889 - 584 pages
...= — 1, y = 2. This solution is an example of elimination by subtraction. BULB. Multiply the given **equations by such numbers as will make the coefficients of one of the unknown** quantities equal. Add or subtract the resulting equations according as the equal coefficients have... | |
| Webster Wells - Algebra - 1890 - 560 pages
...Whence, y = 2. Substituting this value in (1), 15 x + 16 = 1. RULE. If necessary, multiply the given **equations by such numbers as will make the coefficients of one of the unknown** quantities in the resulting equations of equal absolute value. Add or subtract the resulting equations... | |
| George Albert Wentworth - Algebra - 1893 - 370 pages
...8*-63-33. Л x - 12. 185. Hence, to eliminate by addition or subtraction, we have the following rule : **Multiply the equations by such numbers as will make...according as these equal coefficients have unlike or like** sic/7is. NOTE. It is generally best to select the letter to be eliminated which requires the smallest... | |
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