Răspuns :
a) 2x=20
x=10
b) -2x+6-3=x-2
-2x+3=x-2
-2x-x=-2-3
-3x=-5
x=[tex] \frac{5}{3} [/tex]
c) 12-4x+2x+10=-3x+11
22-2x=-3x+11
-2x+3x=11-22
x=-11
d)-12x+9+6x+10=-8x-60-4
-6x+19=-8x-64
-6x+8x=-64-19
2x=-83
x=-41,5
x=10
b) -2x+6-3=x-2
-2x+3=x-2
-2x-x=-2-3
-3x=-5
x=[tex] \frac{5}{3} [/tex]
c) 12-4x+2x+10=-3x+11
22-2x=-3x+11
-2x+3x=11-22
x=-11
d)-12x+9+6x+10=-8x-60-4
-6x+19=-8x-64
-6x+8x=-64-19
2x=-83
x=-41,5