Question

|0| [-1] [2]
Dadas A=|1|, B= [1] e C= [2], Calcule X tal que X + A - (B-C)=0.

Answer 1

x+a-(b-c)=0
x+1-(1-2)=0
x+1-(-1)=0
x+1+1=0
x+2=0
x= -2