a) 2/3 *x + 1/4 =1/2
2/3 *x = 1/2 - 1/4 --> 1/2 =2/4
2/3 *x = 2/4 - 1/4
2/3 *x = 1/4
Se inmulteste pe diagonala:
8*x = 3 ==> x = 3/8
b) 3/5 *x -1/2 =1/10
3/5 *x =1/10 +1/2 --> 1/2 inmultim cu 5 numaratorul si numitorul = 5/10
3/5 *x =1/10 +5/10
3/5 *x =6/10
30*x=30
x=1
