Solving Addition and Subtraction

What is the inverse operation needed to solve for p?
594 = p +  600

• subtraction

• addition

• multiplication

• division 

Solve for a. 19 + a = -50

Solve for x.    x - 8 = -5 

• 13

• -13

• 3

• -3

Solve for x. -16+ x= -15

−2 + 8 =

• 6

• −6

• −10

• 10

Solve for a.    20  + a  =  -50

• -30

• 30

• 70

• -70

x - (-6) = 22

• x = 10

• x = -10

• x = 16

• x = -22

x - 7 = -15

• x = -8

• x = 8

• x = -22

• x = 22

x + -20 = 50

Karen has $250 in her account. This is $75 more than her brother Noah has in his account. Write an addition equation to find the amount of money in Noah’s account.

• 75 + N = 250

• 250 - 75 = N

• 250 + 75 = N

• 250 - n = 75