3. Evaluate the following.
(a) (+215) + 560
(b) (415) - (-99) + 65
(d) (+65) + 71 -25 - (-31) (e) 35+ (-25) - 15 – (+22)
(c) (-71)-(-100) + 200
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Step-by-step explanation:
(a) (+215 ) + 560
215 + 560
= 775
(b) (415)- (-99) +65
= 415 + 99 +65
= 579
(c) (-71)(-100) + 200
- 71 -100 + 200
-171 + 200
371
(d) (+65) + 71 - 25 - (-31)
136 - 25 + 31
167 - 25
142
(e) 35 + (-25) -15 - (+22)
35 - 25 -15 - 22
35 -40 -22
35 - 62
27
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