Adding and Subtracting Rational Numbers

-61 -(-23)

• 84

• -67

• -84

• 38

82 -(-18)

• 64

• -64

• 100

• -100

76 +(-35)

• 111

• -111

• 41

• -41

(-97) +34

• -63

• 63

• 131

• -98

19- 84

• 65

• 103

• -103

• -65

-40 + (-69)

• 109

• -109

• -29

• 29

-42 - 72

• 115

• 114

• -114

• 30

in the problem 79 - 51

what is the first step in solving the expression

• Subtract

• change to an addition problem

• Change the sign on the second number

-35 - (-95)

• -60

• 60

• -130

• 130

-26 + 90

• -116

• -64

• 64

• 116