 | William Nicholson - Natural history - 1809 - 716 pages
...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 contain... | |
 | Silvestre François Lacroix - Algebra - 1818 - 422 pages
...are only of the first degree, according to the method adopted in the preceding articles, we take in one of the equations the value of one of the unknown quantities, as if all the rest were known, and substitute this value inall the other equations, which -will then... | |
 | William Nicholson - Arts - 1819 - 432 pages
...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 contain... | |
 | Adrien Marie Legendre - Geometry - 1819 - 574 pages
...are only of the first degree, according to the method adopted in the preceding articles, we take in one of the equations the value of one of the unknown quantities, as if all the rest were known, and substitute this value inall the other equations, which will then... | |
 | Miles Bland - Geometry - 1821 - 898 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 the... | |
 | Miles Bland - Algebra - 1824 - 404 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 the... | |
 | James Ryan - Algebra - 1824 - 550 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 the... | |
 | James Ryan, Robert Adrain - Algebra - 1824 - 542 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 the... | |
 | George Lees - 1826 - 276 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 will... | |
 | John Darby (teacher of mathematics.) - 1829 - 212 pages
...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=... | |
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Find the value of one of the unknown quantities, in terms of the other and known quantities... 
