X-(8,74+0,27)=1,02
X-9,01=1,02
X=9,01+1,02
X=10,03
verificarea:10,03-9,01=1,02
141,16+19,53-X=100,03
160,69-X=100,03
X=160,69-100,03
X=60,66
verificarea:141,16+19,53-60,66=100,03
si la asta nu sunt sigura daca este bine:
23-X+1,634=229,48
23-X=229,48-1,634
23-X=227,846
X=227,846+23
X=250,846
verificarea:23-250,846+1,634=252,48-23=229,48
