CPM Homework Help : AC Problem 1-10

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Home > AC > Chapter Ch1 > Lesson 1.1.2 > Problem 1-10

1-10.

Compute each of the following sums and differences.

Hint:

Remember that a negative minus a negative changes to addition. Example: $-4-(-5)=-4+5$

$−7+(−2)$
Answer (a):
$-9$

$3+(−4)$
Answer (b):
$-1$

$−2−5$
Answer (c):
$-7$

$−1+5$
Answer (d):
$4$

$4−(−2)$
Answer (e):
$6$

$−7−(−8)$
Answer (f):
$1$

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