Solving Two Step Equations with Balance Scales

The video tutorial covers solving two-step equations by isolating the variable X while maintaining balance in the equation. It includes five problems demonstrating different techniques such as using negatives to cancel positives, dividing and multiplying fractions, and balancing equations with multiple X's. The tutorial emphasizes understanding fractions and using opposite operations to simplify and solve equations.

How do you eliminate the two positive units in the first problem?

• By subtracting two negatives

• By subtracting two positives

• By adding two positives

• By adding two negatives

Tags

CCSS.7.NS.A.1C

What is the value of x in the first problem?

• 3

• -3

• -4

• 4

Tags

CCSS.7.EE.B.4A

In the second problem, how many negatives are left after balancing the equation?

• Three

• Eleven

• Five

• Eight

Tags

CCSS.6.EE.B.7

What is the solution for x in the second problem?

• 2

• -2

• 1

• -1

Tags

CCSS.7.EE.B.4A

What does one third of an x equal to in the third problem?

• -3

• 3

• -6

• 6

Tags

CCSS.6.EE.B.7

What is the final value of x in the third problem?

• 9

• -9

• -3

• 3

Tags

CCSS.8.EE.C.7B

How many parts is the x divided into in the fourth problem?

• Six

• Three

• Five

• Four

Tags

CCSS.1.G.A.3

What is the value of a complete x in the fourth problem?

• 20

• -20

• 16

• -16

Tags

CCSS.8.EE.C.7B

What operation is used to balance the equation in the fifth problem?

• Division

• Multiplication

• Addition

• Subtraction

Tags

CCSS.HSA.REI.A.1

What is the final value of x in the fifth problem?

• 6

• -3

• -6

• 3

Tags

CCSS.8.EE.C.7B