A Key to the Elementary Treatise on AlgebraNichols & Hall, 1842 - 56 σελίδες |
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Σελίδα 27
... the value of x is infinite . 2. Let x A's age ; then , x + 10 = B's , x + 20 = C's , and We have , therefore , -34 D's . = z + 10 2x + 40 52–170 + + = 2x - 10 . 2 3 6 This equation gives 12 x 12 x or 0.x 60—60 XXIX . 27 KEY .
... the value of x is infinite . 2. Let x A's age ; then , x + 10 = B's , x + 20 = C's , and We have , therefore , -34 D's . = z + 10 2x + 40 52–170 + + = 2x - 10 . 2 3 6 This equation gives 12 x 12 x or 0.x 60—60 XXIX . 27 KEY .
Σελίδα 28
... infinite . Other forms for the answers may be obtained by different methods of elimination ; but they are all essentially the same , because they are all infinite . ART . 86 1. 28 . 2. 53 . 3. 78 . 4. 29 . ART . 87 . SECTION XXX . 5. 36 ...
... infinite . Other forms for the answers may be obtained by different methods of elimination ; but they are all essentially the same , because they are all infinite . ART . 86 1. 28 . 2. 53 . 3. 78 . 4. 29 . ART . 87 . SECTION XXX . 5. 36 ...
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