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132x+168y=144x+144y
x+y=56
2x+3y=144
cum aflu x si y?


Răspuns :

112x+168y=144x+144y
56(2x+3y)=144(x+y)
56x144=144x56



132x+168y=144x+144y,
168y-144y=144x-132x,
24x=12y
x+y=56
2x+3y=144
132x+168y=144(x+y)=144x56=8064
24x=12y
x=12y/24
12y+24y=1344
36y=1344
y=1344/36=37,33
Din cate stiu eu parca asa!<333