b) -3 * (3x+1) + 14 = 3 (7x-3) - 10
c) 14+2 * [3-2 (x-3)] : 2 = 37
d) -4- { 6 - [-3+(-3) +(-5-x)-7]-9} = 1
Steluta inseamna inmultire
Rapid pls