1
x+1975-4392=2223
x+1975=2223+1975
x+1975=4198
x=4198-1975
x=calculeza tu
2
3847+x-9647=18542
3847+x=18542+9647
3847+x=28189
x=28189-3847
x=calculeaza tu
3
8598-x-2543=1847
8598-x=2543+1847
8598-x=4390
x=8598-4390
x=calculeaza tu
Sper ca te-am ajutat!