Uitwerkingen - Pearson Education
Uitwerkingen - Pearson Education
Uitwerkingen - Pearson Education
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© 9-2-2004, Bedrijfsrekenen voor het hoger onderwijs, ISBN 9070619237, drs. H.J. Ots,<br />
www.webecon.nl<br />
________ +<br />
2q = 1<br />
q = 1 2 en p = - 1 2<br />
10 X + 1 4 = 0<br />
K - X = 2<br />
X = - 1 4 en K = 1 3 4<br />
11 2X - 2 + 4Y = 1 2<br />
8(Y - 1 2<br />
) = 9(X + l) - 4<br />
2X + 4Y = 2 1 2<br />
8Y - 9X = 9<br />
maal 2<br />
8Y + 4X = 5<br />
8Y - 9X = 9<br />
____________ -<br />
13X = - 4<br />
X = - 4 13<br />
8Y = - 4 . - 4 13<br />
+ 5 → 8Y =<br />
16<br />
13 + 5 → Y = 81<br />
104<br />
12 4q + 2 > 2q - 4 → 4q - 2q > - 2 - 4 → q > - 3<br />
13 2(x - 4) + 1 < 3(2 - x) → 2x - 7 < 6 - 3x →<br />
5x < 13 → x < 2 3 5<br />
14 - 3p - 2 < 1 2 p → - 31 2 p < 2 → p > - 4 7<br />
15 - 2a - 1 - 1 2 a - 3 → - 11 2 a - 2 → a 1 1 3<br />
14