Question

15. Simplify: (-4) x 7 - (13 - 149 + 40 + (11 - 17 - 4 )}].​

Answer 1

Answer:

$- 4 \times 7 - (13 - 149 + 40) + (11 - 17 - 4) \\ - 28 - 96 - 10 \\ - 124 - 10 \\ - 134$

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Answer 2

Answer:

[{(-4) × 7 - ( 13 - 149 + 40 + ( 11 - 17 - 4 )}]

= [{ -28 - ( 13 - 149 + 40 -10)}]

= [{ - 28 - ( 13 - 149 +30)}]

= [{ - 28 - (13 - 119)}]

= [{ - 28 - (-106)}]

= [{ -28 + 106}]

= 78 Answer.......