Simplify:
11−[(−8)−{10−(9−7−4‾)}]11 - [(-8) - \text{\textbraceleft}10 - (9 - \overline{7 - 4})\text{\textbraceright}]11−[(−8)−{10−(9−7−4)}]
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Given expression:
=11−[(−8)−{10−(9−3)}][Removing ’bar’]=11−[(−8)−{10−6}][Simplifying ( )]=11−[(−8)−4][Simplifying { }]=11−[−12][Removing ( )]=11+12=23[Removing [ ]]= 11 - [(-8) - \text{\textbraceleft}10 - (9 - 3)\text{\textbraceright}] \hspace{1.8cm}\text{[Removing 'bar']} \\[1em] = 11 - [(-8) - \text{\textbraceleft}10 - 6\text{\textbraceright}] \hspace{2.5cm}\text{[Simplifying ( )]} \\[1em] = 11 - [(-8) - 4] \hspace{3.7cm}\text{[Simplifying \text{\textbraceleft} \text{\textbraceright}]} \\[1em] = 11 - [-12] \hspace{4cm}\text{[Removing ( )]} \\[1em] = 11 + 12 = 23 \hspace{3.5cm}\text{[Removing [ ]]}=11−[(−8)−{10−(9−3)}][Removing ’bar’]=11−[(−8)−{10−6}][Simplifying ( )]=11−[(−8)−4][Simplifying { }]=11−[−12][Removing ( )]=11+12=23[Removing [ ]]
The answer is 23
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(-6) - {(-28) ÷ (-7)}
8−{12−(9−7−4‾)}8 - \text{\textbraceleft}12 - (9 - \overline{7 - 4})\text{\textbraceright}8−{12−(9−7−4)}
(−9)−[(−5)−{11−(8−5−2‾)}](-9) - [(-5) - \text{\textbraceleft}11 - (8 - \overline{5 - 2})\text{\textbraceright}](−9)−[(−5)−{11−(8−5−2)}]
10−[8−{11+30÷(4−5−7‾)}]10 - [8 - \text{\textbraceleft}11 + 30 ÷ (4 - \overline{5 - 7})\text{\textbraceright}]10−[8−{11+30÷(4−5−7)}]
