2x + 9y = 39
5x - y = 29 (9)
45x - 9y = 261
47x + 0 = 300
47x = 300
x = 300 / 47
CON EL VALOR DE X, HALLAMOS Y:
5 (300 / 47) - y = 29
5 (300) - y (47) = 29 (47)
1500 - 47y = 1363
-47y = 1363 - 1500
- 47y = - 137
47y = 137
(y = 137 / 47)
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2x + 9y = 39
5x - y = 29 (9)
2x + 9y = 39
45x - 9y = 261
47x + 0 = 300
47x = 300
x = 300 / 47
CON EL VALOR DE X, HALLAMOS Y:
5 (300 / 47) - y = 29
5 (300) - y (47) = 29 (47)
1500 - 47y = 1363
-47y = 1363 - 1500
- 47y = - 137
47y = 137
(y = 137 / 47)