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The elements of that mathematical art commonly called algebra : expounded in four books / by John Kersey
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capable of Innumerable Answers.

3*3

ariseth enCe ^ ^anfposition of 3 u, this Equation? _

. Tl ... ' * ' ' * *>

thJ^- en ^ the latter part of the Equation in.

t L. n,n eteenth step in the place of y in the thirteenth,)

j, ^ ar iseth,.'

ii[ p ^nce, after due Reduction, this Equation arifcth, > torn the latter part of the nineteenth Equation, it ?

^Vbeinferrdthat.. . . .s

tion^ ^ r ° m tke latter parr of the twenry-first Equa-^_

10-

e 1 o -

e = 2«-

__ 1

» ^3 j

ft C~ 1

Z«

3»

is foce by the twenty-second and twenty-third steps, u ( or the number of Girls)n « to fall between t and 3-3, let 2 be taken for the value of u ,viz..

Sur

Tt

Ppose

u 1

from the nineteenth and twenty-fourth steps, J* y = 4 (-jo3 #)

^ n d from the twenty-first and twenty-fourth steps, ^ - 2 ( 2« 2)

b y the eleventh, twenty-sixth , twenty-fifth and twenty-fourth steps , four wholej\ g f Sare discovered, to wit, 12, 2,4 and 2, for the values of a, e,y and ».

^ntn b y taking 3 for the value of m , (which is within the limits before discovered)1 1 Eteenth and twenty-first steps will discover r and 4 for the values of y and e, ( a beingesore. Wherefore two Answers to the Question are found out, for the number% n n being put 12, the number of Women will be 2,

%,!) ^ber of Boys 4, and the number of Girls 2 . or thety* °f Men being 12 as before, there will be fourl o j!') 1 Boy and 3 Girls. Again, if 11 be put equall 0r the number of Men,) and the process be repeated

--- r V ,- r -

Vj[| 1eleventh step to the end of the Resolution, therelil( e found two Answers more in whole numbers. Innncr » if 9 > 10 a °d 13 be severally put equal to <r,s C y fwers more will be discovered; But if L and 14'^its ^ put equal to <*, although they be within thethe eighth and tenth steps, yet the work being

OhL _ y 3C KfisA** nrSIl *iAt> tA Cn/I « <v ond m art tutinl

a

e

y

H

9

9

1

I

10

6

3

I

n

5

2

2

11

3

5

I

12

2

4

2

12

4

1

3

13

1

3

3

Juiyr® as before will not succeed to find e> y and h in whole numbers. so that there areHr e t p Vei n Answers, to wit, those inserted in the Table } but that every one of them will If a ^Question may easily be proved.

X? th e of this nature be desired that hath but one Answer in whole numbers,r^ 4ri s D ni,rn ber of persons be 60 , and 100 the number of ihillings spent ; also let everyQr| r shillings, every Woman f of a shilling, every Boy j- of a shilling, and every

"in £ of a shilling - then by forming the Resolution as before, the number of MenGhj s , un d 46 , the number of Women 3 , the number of Boys 5.

6 .

and the number

., 1-0 .. . £VEST. n .

y IfconpL e 200 ,nt0 ^ ve sech whole numbers, that if the first be multiplied by ir<by the third by 1, the fourth by and the fifth by z, the summ of the Pro-

j Thi S y alsomakc 2 °°-

j%(| j Question may be resolved like the foregoing twentyeth and twemy-second, butpjj ns avc * c as an exercise to the industrious Analyst , who, (if he thinks it to be worth^tty 0) may find out 6639 Answers to it in whole numbers, (as Monsieur Backet, inh JfiicJhj f* a 8 es of his little Book before cited in Sett. 1. of this Chapter, doth affirm.

0 ^ of *h^' arta glia handling this very Question, ( which is the last of the seventeenthJ3 e seigf a * >art of Arithmetick,) thought it a great matter that he had found outAnswer to it in these five whole numbers, to wit, <5, 12, 34, yr, y6, andj ^, 0 hat Questions of this fort could not be perfectly solved, either by the AlgebraicalTersely Cert a«n Rule; but the contents of this Chapter do manifestly shew, that theon Was in the Artist, and not in the Art.

The End of the Second BOOK.