Suprime los signos de agrupacion y efectua la operacion indicada:
a.-[-4+(5x-8)]
b.-{[a+b]+[a-b]-(-a+b)}
c.-{-[-(m+n)-(m-n)]}
d.-[-3a+{-a-(2b-3)}]+[-(2a+b)+(-a-3)+2(x+y)}
a.-[-4+(5x-8)]
b.-{[a+b]+[a-b]-(-a+b)}
c.-{-[-(m+n)-(m-n)]}
d.-[-3a+{-a-(2b-3)}]+[-(2a+b)+(-a-3)+2(x+y)}
PaulEmerson
Espero te ayude, suerte
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