Respostas

2014-06-04T02:33:20-03:00
8x-3y+15x+22y
23x+19y

a+b-14a-16b
13a-15b
1 5 1
A melhor resposta!
2014-06-04T07:35:36-03:00
A) 8x-3y+15x+22y
8x+15x +22y -3y
23x + 19y

b) a+b-14a-16b
a -14a +b -16b
-13a -15b
1 5 1