One Step Integer Equations Addition and Subtraction

t + 1.2 = 3.4

• 4.6

• 2.2

• 2.6

1.9 + y = 4.8

• 6.7

• 2.9

• 3.1

7.8 = 3.5 + a

• 11.3

• 4.3

• 10.3

• 5.3

6.6 = w - 1.2

• 7.8

• 5.4

• 4.4

23 - 47 + 18 - (-12) =

• 6

• -18

• 56

x + 24 = 44

• x = -20

• x = 68

• x = 20

• x = -68

What can I do to the hanger to get the x by itself and keep the hanger balanced?

• add 3 to both sides

• subtract 8 from both sides

• add 8 to both sides

• subtract 3 from both sides

• Add 16 to both sides

• Subtract 30 from both sides

• Subtract 16 from both sides

x + 3 = 10

• x = 13

• x = 30

• x = 7

Why do you add 7?

• To undo addition, you subtract.

• To balance the equation, you subtract 7 on both sides.

• To undo subtraction, you add.

• To balance the equation,you add 7 to both sides.