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Vivia15
a fost răspuns

56-4(11-3x)=6(5x-4)

55-5(4x-1)=10(3x-3)

dau coroana

Răspuns :

Pisicutzapisi
56-4(11-3x)=6(5x-4)
56-44-12x=30x-24
12-12x=30x-24
12(1- x)=6(5x-12)/:6
2(1-x)=5x-12
2-2x=5x-12
2+12=2x+5x
14=7x/:7
x=2

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