Addition and Subtraction of One Step Equation

What is the inverse of addition?

• Multiplication

• Subtraction

• Addition

• Division

Tags

CCSS.HSA.REI.A.1

Solve the equation: y + 13 = 24

• y = 12

• y = 10

• y = 11

• y = 14

Tags

CCSS.6.EE.B.7

Solve the equation: z + 19 = 35

• z = 13

• z = 14

• z = 15

• z = 16

Tags

CCSS.6.EE.B.7

Solve the equation: r - 12 = 30

• r = 42

• r = 33

• r = 44

• r = 45

Tags

CCSS.6.EE.B.7

Solve the equation.

x + 9 = -5

Mathematical Equivalence

OFF

Tags

CCSS.6.EE.B.7

Solve the equation: s - 33 = 89

• s = 134

• s = 145

• s = 122

• s = 213

Tags

CCSS.6.EE.B.7

What step should you do first to solve this equation?

• Add 19 on both side of the equation

• Subtract 3 on both sides of the equation.

• Add 3 on both sides of the equation.

• Subtract 3 on only the left side of the equation.

Tags

CCSS.6.EE.B.7

Why do you add 7 to both sides?

• 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.

Tags

CCSS.HSA.REI.A.1

72 = 24 + w

• w=96

• w=48

• w=-48

• w=-96

Tags

CCSS.6.EE.B.7

r + 20 = 27

• r = 7

• r = 47

• r = 13

• r = 20

Tags

CCSS.6.EE.B.7