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rezolva ecuatia: 5x+2/4 y+90=360
/-supra​


Răspuns :

Explicație pas cu pas:

5x+2/4y+90=360

5x+2/4y=360-90

5x+2/4y=270

5x+1/2y=270 |×2

10x+y=540

x+y=54

5x+2y+90=360
5x+2y=360-90
7xy=270