Solving Two-Step Equations in 8th Grade Math

This video tutorial covers solving two-step equations, emphasizing the importance of understanding coefficients and constants. It provides step-by-step solutions to various example problems, including special cases involving fractions. The tutorial also applies these concepts to real-world scenarios, such as calculating costs and temperature changes. The video concludes with a final example and a summary of the key points discussed.

What is the term for the number in front of the variable in an equation?

• Constant

• Coefficient

• Exponent

• Factor

In the equation 4x + 13 = 9, what is the first step to isolate x?

• Divide both sides by 4

• Multiply both sides by 4

• Subtract 13 from both sides

• Add 13 to both sides

How do you eliminate a fraction coefficient in an equation?

• Multiply by the reciprocal

• Divide by the reciprocal

• Subtract the reciprocal

• Add the reciprocal

In the equation x/5 - 6 = -10, what operation should be performed first?

• Multiply both sides by 5

• Divide both sides by 5

• Subtract 6 from both sides

• Add 6 to both sides

In the equation 0.6x = 3.3, what is the value of x?

• 6.0

• 5.5

• 5.0

• 4.5

What is the first step to solve the equation 7/8x - 4 = 14?

• Multiply by 8/7

• Add 4 to both sides

• Divide by 7/8

• Subtract 4 from both sides

In the equation -x - 24 = -15, what is the value of x?

• 39

• -39

• -9

• 9

If Taylor spent a total of $104 on a meal subscription service, paying $20 to join and $10.50 per meal, how many meals did she purchase?

• 6

• 7

• 8

• 9

The wind chill in Alaska is -11 degrees and decreases by 2 degrees each hour. If the temperature is now -19 degrees, how many hours have passed?

• 6

• 5

• 4

• 3

If the perimeter of an isosceles triangle is 18 and the sides are 2x and 6, what is the value of x?

• 7

• 6

• 5

• 4