Question

Simplifique as expressões algébricas. A) a+1+2a B) 3b3-b3+2b3 C) 4 (c-1)-c D) 2d+4/2

Answer 1

A) a+1+2a
2a+a+1
3a+1
3a=-1
a=_1/3


B) 3b3-b3+2b3
    2b3+2b3=4b3


 C) 4 (c-1)-c
      4c-4-c
       4c-c-4
       3c-4
        3c=4
           c=4/3

D) 2d+4/2
     2d+2
     2d=2
      d=2/2
      d= 2