Question

Dados;
A = a + b + 1
B = - 3a + 2b - 6
C = 4a - 5b + 5


Calcule;
a) A + B =
b) B + C =
c) A + 6 = 
d) A + B + C =
e) A - 6 =
f) B - C =

Answer 1

a) -2a+3b-5
b)a-3b-1
c)a+b+7
d)2a-2b-10
e)a+b+7
f)-7a-7b-1