Respostas

2014-07-16T21:12:44-03:00
Y - 426 = 700
y = 700 + 426
y= 1126

6x - 19 = 71
6x = 71 + 19
6x = 90
6x = 90
x = 90 dividido por 6
x= 15
6 4 6
2014-07-16T21:14:13-03:00
Y= 700-426
Y= 274
6x= 71+19
6x= 90
X= 15
2 3 2