Răspuns :
a) 3x+4 =2x+11
3x-2x=11-4
x=7.
b) 2(x+3) = 6
2x+6 = 6
2x = 6-6
2x = 0
x = 0:2
x = 0 .
3x-2x=11-4
x=7.
b) 2(x+3) = 6
2x+6 = 6
2x = 6-6
2x = 0
x = 0:2
x = 0 .
A)3x+4=2x+11
3x-2x=11-4
x=7
B)2x(x+3)=6
2x+6=6
2x=6-6
2x=0
X=0