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aflati numrul natural X stiind ca.x+3 supra 8=3 supra 4

Răspuns :

Deci avem x+3/8=3/4=> (x+3)4= 3x8=> x+3=3x8/4=> x+3= 3x2 => x+3=6 => x=3.
(x+3)/8=3/4
4x+12=24
4x=12
x=3

x+3/8=3/4
8x+3=6
8x=3
x=3/8