Question

u.
(+17) + (-1)
Simplify the following expressions.
a. (-8) - (7) - (+4)
c. (-10) + (-13) + (-31)
b. (-17) + 47 - 12 - 7
d. 90 - (-100) - (42)
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Answer 1

Answer:

1)-8-7-4=-19

2) -10-13-31=-54

3) -17+47-12-7= -36+47=11

4) 90+100-42=148