Question

( 5 ) + ( -3 ) -( -4 ) - ( +2 ) =​

Answer 1

Respuesta:

( 5 ) + ( -3 ) -( -4 ) - ( +2 ) = 4

Answer 2

( 5 ) + ( -3 ) -( -4 ) - ( +2 ) = 4

Pero porque???

Pasos:

Aplicar regla

$+ ( - a) = - a$

$+ ( - 3) = - 3$

= ( 5 ) - 3 - ( -4 ) - ( 2 )

= 2 - ( -4 ) - ( 2 )

Aplicar regla

$- ( - a) = + a$

$- ( - 4) = + 4$

= 2 + 4 - ( 2 )

2 + 4 = 6

= 6 - ( 2 )

= 4