Question

Jawab soal ini!
1. 23 (19d + 4v) 16 (12d + 33v)
2. 17 (19y + 11t) 57 (10y + 16t)
3. 12 (14r + 25n) 28 (13r + 24n)
4. 54 (18q + 22w) 19 (25q + 11w)
5. 77 (10b + 22h) 34 (11b + 29h)
6. 21 (15v - 22u) 36 (2v - 77u)
7. 32 (13u - 25m) 17 (29u - 11m)
8. 18 (22g - 41e) 28 (32g - 19e)
9. 23 (31b - 27w) 29 (19b - 11w)
10. 18 (26r - 33q) 89 (11r - 38q)
Berapa yang ditentukan?
Minta tolong ya​

Answer 1

Jawaban:

1. 23(19d + 4v) = 16(12d + 33v)

437d + 92v = 192d + 528v

-755d = 436v

d = -436v/755

2. 17(19y + 11t) = 57(10y + 16t)

323y + 187t = 570y + 912t

-247y = 725t

y = -725t/247

3. 12(14r + 25n) = 28(13r + 24n)

168r + 300n = 364r + 672n

-196r = 372n

r = -372n/196 = -3n/2

4. 54(18q + 22w) = 19(25q + 11w)

972q + 1188w = 475q + 209w

497q = -979w

q = -979w/497

5. 77(10b + 22h) = 34(11b + 29h)

770b + 1694h = 374b + 986h

396b = -708h

b = -708h/396 = -59h/33

6. 21(15v - 22u) = 36(2v - 77u)

315v - 462u = 72v - 2772u

243v = -415u

v = -415u/243

7. 32(13u - 25m) = 17(29u - 11m)

416u - 800m = 493u - 187m

77u = 613m

u = 613m/77 = 8m

8. 18(22g - 41e) = 28(32g - 19e)

396g - 738e = 896g - 532e

-500g = 206e

g = -206e/500 = -103e/250

9. 23(31b - 27w) = 29(19b - 11w)

713b - 621w = 551b - 319w

162b = 302w

b = 302w/162 = 151w/81 = 151w/9

10. 18(26r - 33q) = 89(11r - 38q)

468r - 594q = 979r - 340q

-511r = 254q

r = 254q/511 = 2q/4 = q/2