Understanding Algebraic Equations

The video tutorial explains how to write an equation using x as the unknown number. It describes the process of subtracting five times a number from 15 to get negative three, leading to the equation 15 - 5x = -3. The tutorial breaks down the steps involved in forming the equation and concludes with a summary of the problem-solving process.

What is the unknown number represented by in the problem?

• z

• a

• y

• x

What operation is performed on the unknown number in the problem?

• Division

• Subtraction

• Addition

• Multiplication

How do you start setting up the equation from the given problem?

• Start with 15 and subtract 5 times x

• Begin with 5 and add x

• Multiply 15 by x

• Divide 15 by x

What does the word 'is' signify in the context of the equation?

• Equals

• Division

• Subtraction

• Addition

What is the final equation derived from the problem statement?

• 15 + 5x = -3

• 5x + 15 = -3

• 5x - 15 = -3

• 15 - 5x = -3