Solving Eq. Review

Using the "opposite operation" to "undo" and isolate the variable when solving an equation is more commonly called...

• Inverse operations
• math
• variable
• PEMDAS

Tags

CCSS.6.EE.B.7

Solve:
-4x = 24

• 20
• -20
• 6
• -6

Tags

CCSS.6.EE.B.7

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5
• Subtract 5
• Multiply by 7
• Subtract 7

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

CCSS.7.EE.B.4

Solve for w:
-6w + 1 = -11

• 2
• 1.2
• 12
• -2

Tags

CCSS.7.EE.B.4A

How do you feel about 2-step equations?

• I think I have it

• I really understand them

• I am a bit confused

• I am having difficulty

What should you do first when solving equations?

• Eliminate the parentheses

• Combine like terms

• Isolate the variable

• Whatever you do to one side do to the other.

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

CCSS.7.EE.B.4

What property must you do to eliminate the parentheses in an equation?

• Distributive Property

• Multiplication Property

• Associative Property

• Commutative Property

Tags

CCSS.7.EE.A.1

24a = -4(10 - a)

• a = -2

• a = 2

• a = 7/10

• a = -7/10

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

CCSS.7.EE.B.4

Like terms must have _____________________________________ and _________________________.

• same variable and same power or exponent

• same variable and number

• exponent and number

• same variable and the same sign

Tags

CCSS.7.EE.A.1

Solve for X. 3x + 15 - 7x = -7

• x = 2

• x =-4/5

• x = -2

• x = 5 1/2

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

CCSS.7.EE.B.4