Solving One-Step Equations

This video tutorial covers solving simple one-step equations using properties of equality and inverse operations. It explains how to handle equations involving fractions and decimals, and demonstrates multiplication and division in equations. The tutorial concludes with a real-life application, showing how to use equations to solve practical problems.

What is the primary focus of Lesson 1.1?

• Factoring equations

• Graphing equations

• Solving one-step equations

• Solving multi-step equations

What is the main goal when solving an equation?

• To simplify the equation

• To find the greatest common factor

• To isolate the variable

• To eliminate all numbers

Which operation would you use to solve the equation D - 1/4 = -1/2?

• Multiply both sides by 2

• Divide both sides by 2

• Add 1/4 to both sides

• Subtract 1/4 from both sides

When solving n + 4.8 = 9.2, what is the correct operation to isolate n?

• Divide both sides by 4.8

• Add 4.8 to both sides

• Subtract 4.8 from both sides

• Multiply both sides by 4.8

How do you solve an equation involving multiplication by a fraction?

• Multiply by the same fraction

• Divide by the reciprocal of the fraction

• Multiply by the reciprocal of the fraction

• Add the fraction to both sides

What is the result of solving 3πP = -2/3π?

• P = 3/2

• P = -2/9

• P = 2/9

• P = -3/2

In the equation -13.5 = 2.7y, what is the value of y?

• y = 3

• y = -3

• y = 5

• y = -5

What is the solution to the equation x / -2 = -14?

• x = 14

• x = 28

• x = -14

• x = -28

If you earn $9.65 per hour and made $308.80, how many hours did you work?

• 33 hours

• 32 hours

• 31 hours

• 30 hours

What operation is used to solve the equation 9.65H = 308.80?

• Divide both sides by 9.65

• Add 9.65 to both sides

• Subtract 9.65 from both sides

• Multiply both sides by 9.65