Solving Two Step Equations with Rational Numbers

This video tutorial covers solving two-step equations with rational numbers, including fractions and decimals. It begins with an introduction to the concept, followed by detailed steps to solve equations involving fractions and decimals. The tutorial emphasizes the importance of isolating the variable and using the reverse order of operations. It also includes practice problems for viewers to try on their own, reinforcing the learning process.

What operation is performed first to eliminate the fraction in the equation R + 7/4 = 5?

• Multiply by 4

• Subtract 7

• Divide by 4

• Add 7

After multiplying both sides of the equation by 3, what is the next step to solve y - 4/3 = 9?

• Subtract 3 from both sides

• Add 4 to both sides

• Multiply by 3

• Divide by 3

To solve 2/3 * n + 7 = 22, what is the first operation to perform?

• Divide by 2/3

• Subtract 7

• Add 7

• Multiply by 3/2

What is the result of 15 divided by 2/3?

• 30

• 45

• 10

• 22.5

How do you isolate the variable in the equation 1/5k + 3 = 6?

• Add 3 to both sides

• Subtract 3 from both sides

• Multiply by 5

• Divide by 1/5

What is the correct operation to solve for R in the equation involving decimals: 2R + 4.4 = -7.8?

• Divide by 2

• Multiply by 2

• Subtract 4.4 from both sides

• Add 4.4 to both sides

What is the value of K when solving 1/5K = 3?

• 0.6

• 15

• 5/3

• 3/5

What is the final value of M in the equation 1.3 - 5M = 7.4?

• -1.22

• 1.22

• 1.2

• -1.2

In the equation -5M = 6.1, what is the next step after dividing both sides by -5?

• None, that's the final step

• Subtract 5 from both sides

• Add 5 to both sides

• Multiply by -5

What is the correct interpretation of subtracting a negative number in the context of solving equations?

• Dividing by -1

• Multiplying by -1

• Performing a subtraction

• Performing an addition