3 Simplify the following.
(a) 16+ (-13) + 5
(b) 2-(-9) - 8
(c) (-11) - [(-3) + (-4) -5 +8]
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Answer:
(a) 8
(b)3
(c) -7
Step-by-step explanation:
(a) 16+(-13)+5
16- 13 +5
21 - 13
8
(b) 2-(-9)-8
2+ 9-8
11 -8
3
(c) (-11) -[(-3)+(-4)-5+8]
(-11) -[-3-4 -5+8]
(-11) -[ -12 +8 ]
(-11) -[- 4]
-11 +4
- 7
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