In one of the given equations obtain the value of one of the unknown quantities in terms of the other unknown quantity; Substitute this value in the other equation and solve. A First Book in Algebra - Page 220by Fletcher Durell, Elmer Ellsworth Arnold - 1919 - 325 pagesFull view - About this book
| Natural history - 1809
...one of the unknown quantities, by any of the following methods: 1" Method. In either equation, find **the value of one of the unknown quantities in terms of the other** and known quantities, and for it substitute this value in the other equation, which will then only... | |
| William Nicholson - Natural history - 1819
...one of the unknown quantities, by any of the following methods : 1st Method. In either equation find **the value of one of the unknown quantities in terms of the other** and known quantities, and for it substitute this value in the other equation, which will then only... | |
| Miles Bland - Geometry - 1821 - 438 pages
...by 5, and the second by 2, and then, subtracting the second from the first. 2. By substitution. Find **the value of one of the unknown quantities, in terms of the other** and known quantities, in the more simple of the two equations ; and substitute this value instead of... | |
| Miles Bland - Algebra - 1824 - 383 pages
...by 5, and the second by 2, and then subtracting the second from the first. 2. By substitution. Find **the value of one of the unknown quantities, in terms of the other** and known quantities, in the more simple of the two equations ; and substitute this value instead of... | |
| James Ryan - Algebra - 1824 - 516 pages
...20. Given ^+^=6, 64 I to find the values o / , . x and y. and += Ans. a; =12, and #=16. KULE II. Find **the value of one of the unknown quantities, in terms of the other** and known quantities, in the more simple of the two equations ; and substitute this value instead of... | |
| James Ryan - Algebra - 1824 - 516 pages
...Given 1+1=6, V'to ^ ;, , x , v { x and vand — |-i=5|, I Ans. **=:12,. andy=16. RULE II. 248. Find **the value of one of the unknown quantities, in terms of the other** and known quantities, in the more simple of the two equations ; and substitute this value instead of... | |
| George Lees - Algebra - 1826 - 207 pages
...Now, x - sy^~L?—™^H- 12 - « * •— g — g "~ 2 ~~ 86. METHOD 3d, In either equation, Jind a **value of one of the unknown quantities, in terms of the other** and known quantities ; substitute this value for the unknown quantity in the second equation, there... | |
| John Darby (teacher of mathematics.) - 1829
...2y+4z=28, it becomes 6+6+4z=28; by transposition, 4z=28 — 6 — 6, or4z=16; .-. z=— =4. RULE HI. Find **the value of one of the unknown quantities, in terms of the** rest of the equation, and substitute its value, thus found, in the other equation. 1. Given 3x + 2y=... | |
| Peter Nicholson - Algebra - 1831 - 316 pages
...possible values of x and y in integer numbers, suppose the numbers a, b, c, prime to each other. Find **the value of one of the unknown quantities in terms of the other.** Thus, if the equation be by-lc ax—by=c, then z= — ; Or, ax+by=c, then x= — - — • Increase... | |
| John Radford Young - 1839
...unknown quantity may be obtained by either of the three following methods. First Method. (54.) Find **the value of one of the unknown quantities in terms of the other** and the known quantities, from the first equation, by the method already given. Find the value of the... | |
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