 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 - Σελίδα 172των George Albert Wentworth - 1898 - 407 σελίδεςΠλήρης προβολή - Σχετικά με αυτό το βιβλίο
 | James Cahill (of Dublin.) - 1875 - 230 σελίδες
...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 σελίδες
...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 - 1881 - 406 σελίδες
...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 - 1885 - 368 σελίδες
...— 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... | |
 | Webster Wells - 1885 - 370 σελίδες
...— 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 - 372 σελίδες
...— 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... | |
 | George Albert Wentworth - 1886 - 284 σελίδες
...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 - 1889 - 584 σελίδες
...= — 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 - 1890 - 560 σελίδες
...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 - 1893 - 370 σελίδες
...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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