Respostas

  • Usuário do Brainly
2013-09-30T00:09:08-03:00
A:
32= 14 + x
x = 32-14
x = 18

B:
3x - 2x = 8 + 6
x = 14

C:
2x - 6 = 12
2x = 12 + 6
2x = 18
x = 18/2
x = 9.

2013-09-30T00:33:12-03:00
A) 321=14+x
-x= 14-32
-x= -18
x=18

b) 3x-6=2x+8
3x-2x=8+6
x= 14

c)2x-6=12
2x= 12+6
2x= 18
x= 18/2
x= 9