Răspuns
Explicație pas cu pas:
3x - m = 1/2
x = -2/3
m = 3x - 1/2 = 3* (-2/3) -1/2 = -2 - 1/2 = -4/2 - 1/2 = -5/2
_________
2si 1/5 = 11/5
1si1/5 = 6/5
11/5 - x/3 = 6/5
x/3 = 5/5 = 1
x = 3
ax - 1 = a
3a - 1 = a
2a = 1
a = 1/2
x/2 - 1 = 1/2
x/2 = 1 + 1/2 = 3/2 deci x = 3 daca a = 1/2