Unit 4 Equations Review

A __________ is a symbol, usually a letter, used to represent an unknown number.

• solution

• variable

• coefficient

• constant

What is the constant?

• The number by itself (with no variable)
• Something to do with inverse operations
• An expression that has variables, numbers, and operations

A mathematical sentence that contains an equal sign is an _____________.

• equation

• expression

• solution

• operation

Operations that "undo" each other (or are opposites) are called __________.

• variables

• coefficients

• inverses

• solutions

What would be the best first step to solving the equation?
-3=x+5

• add 3 to both sides
• subtract 5 from both sides
• add 5 to both sides
• subtract -5 from both sides

Tags

CCSS.6.EE.B.7

What would be the best first step to solving the equation?

• multiply both sides by 3
• multiply both sides by 4
• divide both sides by 3
• divide both sides by 4

Tags

CCSS.6.EE.B.7

What would be the best first step to solving the equation?
-6x=-24

• multiply both sides by -6
• divide both sides by -6
• add 6  to both sides
• subtract -6  from both sides

Tags

CCSS.6.EE.B.7

What would be the best first step to solving the equation?
-4.4=-4y

• multiply both sides by -4
• divide both sides by -4
• add 4 to both sides
• subtract 4 from both sides

Tags

CCSS.6.EE.B.7

Solve the equation: 
x + 7 = 12

• x = 5
• x = 19
• x = -5
• x = 84

Tags

CCSS.6.EE.B.7

Solve the equation:
x - 4 = -3

• x = -7
• x = 1
• x = 12
• x = -12

Tags

CCSS.6.EE.B.7