Explicación paso a paso:
x = saco de plástico
y = saco de latas
6x + 3y= 36
2x + 5y = 40
resolvemos
6x + 3y = 36
e-3(2x + 5y = 40)
-6x - 15y = -120
-12y = -84
84 = 12y
7 = y
6x + 3(7) = 36
6x = 15
x = 2.5
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Explicación paso a paso:
x = saco de plástico
y = saco de latas
6x + 3y= 36
2x + 5y = 40
resolvemos
6x + 3y = 36
e-3(2x + 5y = 40)
6x + 3y = 36
-6x - 15y = -120
-12y = -84
84 = 12y
7 = y
6x + 3(7) = 36
6x = 15
x = 2.5