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1) 2x + 2y = 33 (4)
2) 4x + 3y = 4 (-2)
8x + 8y = 132
-8x - 6y = - 8
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0x + 2y = 124
2y = 124
y = 124/2
y = 62
Reemplazo y = 62 en ecuación 2.
4x + 3y = 4
4x + 3 (62) = 4
4x + 186 = 4
4x = 4 - 186
4x = - 182
x = -91/2
Solución :
x = -91/2
y = 62