Respuestas

  • Usuario de Brainly
2014-02-21T03:49:30+01:00
x:2-32= 11
x/2 -32 =11
x/2 = 11+32
x/2 = 43
x = 43/2

2(x+3)=24
2x + 6 = 24
2x = 24-6
2x = 18
x = 18/2
x =9


3x+7= 19
3x = 19-7
3x = 12
x = 12/3
x = 4

  • Usuario de Brainly
2014-02-21T03:52:18+01:00
2-32=11       2(x+3)=24         3x+7=19
30=11          2x+3=24           10X=19
                    5X=24             x=19/10         
                    x=24/5