Question

Simplify: 20 – [-15 + {4 ÷ (-1) -3} x 6]
(a) 41 (b) -41 (c) -1 (d) 77

Answer 1

Answer:

a)41

Step-by-step explanation:

20 – [-15 + {4 ÷ (-1) -3} x 6]

20 – [-15 + {4 ÷-4} x 6]

20 – [-15 + -1 x 6]

20 – [-15 +-6]

20 – [-21]

20+21

=41

Answer 2

Step-by-step explanation:

20-[-15+{4÷(-1)-3}×6]

20-[-15+{4÷-4}×6]

20-[-15+(-1)×6]

20-[-15+(-6)]

20-[-15-6]

20-(-21)

20+21

41

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