d) x-4= -88/11
x-4 = -8
x = -8+4
x= -4
f) -x+4= -9/3
-x+4 = -3
-x = -3-4
-x = -7
x= 7
g) nu ai incheiat paranteza de la 3(.. dar banuiesc ca este asa 3(x-2-4(2x+5))= -13x+1
3(x-2-8x-20)= -13x+1
3x-66-24x = -13x+1
-21x-66= -13x+1
-21x+13x = 1+66
-8x = 67
x= -67/8