Respuesta :
Given :
Some expression :
8+ [4+(-9)] , 12+(-9) , -129 , -4+(-9) ,4+(-9) .
To Find :
Which expression have same value .
Solution :
Simplifying every term :
a )
8 + [ 4 + ( -9) ]
= 8+(4-9) = 8 -5 = 3 .
b )
12+(-9)
= 12 - 9 = 3
c )
-129
d )
-4 + ( -9 )
= -13
e )
4+(-9)
= -5
Therefore , the expression 8+ [4+(-9)] and 12+(-9) have same value .
Hence , this is the required solution .
