Răspuns:
3x=11-5=6
x=6/3=2
2x=18+6=24
x=24/2=12
x=9-4=5
x=7-4=3
2x+6-4=14
2x+2=14
2x=14-2=12
x=12/2=6
7x=12-5=7
x=7/7=1
3x + 5 = 11
3x= 11-5
3x= 6
x= 6÷3
x= 2
2x - 6 = 18
2x= 18 + 6
2x= 24
x=24 ÷ 2
x=12
4+x=9
x=9-4
x=5
7-x=4
x=4+7
x=11
2(x+3)-4=14
2*x+3=14+4
2*x+3=18
2*x=18-3
2*x=15
x=15÷2
x=7,1
7x+5=12
7x=12-5
7x=7
x=7÷7
x=1
Sper că te-am ajutat!
