Solving Linear Equations

An equation is...

• a problem that contains at least one variable and at least one operation; no equal sign

• a mathematical sentence showing two expressions are equal.

• The solution for a variable

• The value that results in a true sentence

Tags

CCSS.6.EE.B.5

Expressions do NOT have equal signs. True or False?

• False
• True

Tags

CCSS.6.EE.A.2B

5y - 7 is an example of an ____________

• expression

• equation

Tags

CCSS.6.EE.A.2C

5y = 7 is an example of an ____________

• expression

• equation

Tags

CCSS.6.EE.A.2C

What is a solution in an algebra problem?

• The number for the variable that makes the equation true
• Any number for the variable that does NOT make the equation true
• The answer to the problem
• A variable

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

Tags

CCSS.7.EE.B.4A

Which operation will cancel out multiplication?

• A.  Addition
• B. Subtraction
• C. Multiplication
• D. Division

Tags

CCSS.3.OA.C.7

Solve the following equation,
5x = 30

• x = 6
• x = 150
• x = -6
• x = -150

Tags

CCSS.6.EE.B.7

Solve the following equation,
x/7 = 14

• x = 98
• x = 2
• x = 21
• x = 7

Tags

CCSS.6.EE.B.7

Solve the following equation,
x + 7 = 28

• x = 35
• x = 4
• x = 196
• x = 21

Tags

CCSS.6.EE.B.7