Solving Equations with Fractions and Negatives

The video tutorial from Moomoomath and Science demonstrates how to solve the equation 8 + B / -4 = 5. It begins by isolating the variable B through reverse operations, followed by handling the fraction by multiplying with its reciprocal. The solution is verified by substituting B back into the original equation. The video concludes with a correct solution and encourages viewers to subscribe for more math and science content.

What is the first step in solving the equation 8 + B / -4 = 5?

• Divide both sides by 4

• Multiply both sides by 4

• Subtract 8 from both sides

• Add 8 to both sides

After isolating B over -4, what operation is used to eliminate the fraction?

• Divide by the reciprocal of -4

• Subtract 4 from both sides

• Add 4 to both sides

• Multiply by the reciprocal of -4

What is the result of multiplying -3 by -4?

• -7

• -12

• 7

• 12

What is the value of B after solving the equation?

• -12

• 12

• 5

• 8

How do you verify the solution of the equation?

• By checking if B equals 0

• By substituting B back into the original equation

• By multiplying B by 2

• By solving a different equation

What is the result of 12 divided by -4?

• -4

• 3

• 4

• -3

What is the final check to confirm the solution is correct?

• 8 times 3 equals 5

• 8 plus 3 equals 5

• 8 divided by 3 equals 5

• 8 minus 3 equals 5

What is the purpose of substituting the value of B back into the original equation?

• To verify the correctness of the solution

• To change the equation

• To find a new solution

• To eliminate the variable

What is the main topic of the video?

• Understanding algebraic expressions

• Solving equations with fractions and negatives

• Graphing linear equations

• Solving quadratic equations

What does the video encourage viewers to do at the end?

• Read a math book

• Solve more equations

• Subscribe and share

• Watch another video