PA Unit 1 Add/Subtract Integers; Eval Expressions

Find the sum or difference: -11 + 6

• 5

• -5

• 17

• -17

Find the sum or difference: -1 - 8

• 7

• -7

• 9

• -9

Find the sum or difference: -54 + (-28)

• -82

• 82

• 26

• -26

Find the sum or difference: 38 + (-17)

• -55

• 55

• -21

• 21

Find the sum or difference: -19 + (-11)

• 30

• -30

• 8

• -8

Find the sum or difference: -15 + (17) + (-25)

• 57

• -57

• 23

• -23

Evaluate when x = -9: x + (-9)

• 18

• -18

• 0

• 9

Evaluate when x = -9: 25 + x

• -34

• 34

• 16

• -16

Simplify -10x + 7x

• 17x

• -17x

• 3x

• -3x

Simplify 16r + (-2) + 12r + 5

• 28r + 3

• 28r + (-3)

• 4r + 7

• 28r + 7