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sandal = y
2x+3y = 195.000. (x3)
3x+4y = 280.000 (x2)
6x+9y = 585.000
6x+8y = 560.000
-------------------- _
y = 25.000
2x+3y = 195.000
2x+(3x25.000) = 195.000
2x+75.000 = 195.000
2x = 195.000 - 75.000
x = 120.000/2
x = 60.000
= x+2y
= 60.000 + 2x25.000
= 60.000 + 50.000
= 110.000
3x+4y= 280000 | x2| 6x+8y = 560000-
y = 25000
2x+3y = 195000
2x+3(25000) = 195000
2x= 195000-75000
x=60000
1(60000)+2(25000)= 110000