Respuesta :
2x+4+x = 28
3x+4=28
3x+4-4=28-4
3x=24
3x/3=24/3
x=8
x = 8 in one group
2x+4 = 20 in the other group
3x+4=28
3x+4-4=28-4
3x=24
3x/3=24/3
x=8
x = 8 in one group
2x+4 = 20 in the other group