x + 2y = 5 (-2)
2x + y = 5
- 2x - 4y = - 10
+ 2x + 1y = 5
0 - 3y = - 5
- 3y = - 5
3y = 5
(y = 5 / 3)
CON EL VALOR DE Y, HALLAMOS X:
x + 2 (5 / 3) = 5
x (3) + 2(5) = 5 (3)
3x + 10 = 15
3x = 15 - 10
3x = 5
(x = 5 / 3)
AHI TIENES...
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x + 2y = 5 (-2)
2x + y = 5
- 2x - 4y = - 10
+ 2x + 1y = 5
0 - 3y = - 5
- 3y = - 5
3y = 5
(y = 5 / 3)
CON EL VALOR DE Y, HALLAMOS X:
x + 2 (5 / 3) = 5
x (3) + 2(5) = 5 (3)
3x + 10 = 15
3x = 15 - 10
3x = 5
(x = 5 / 3)
AHI TIENES...