Evaluate an expression with one variable ex 5, 2(x - 3) - 5; x=-1

The video tutorial begins with an introduction and context setting, followed by an explanation of an algebraic expression. The teacher discusses the importance of understanding the expression's components and then demonstrates how to substitute a given value for X into the expression. The lesson concludes with a step-by-step application of the order of operations to solve the expression, resulting in the final answer.

What is the algebraic expression discussed in the video?

• X - 3 + 5

• 2 + X - 5

• X + 3 - 5

• 2 * X - 3 - 5

What is the value of X given in the problem?

• 0

• -1

• 3

• 1

What is the first step in evaluating the expression after substituting X?

• Add 3

• Simplify the parentheses

• Multiply by 2

• Subtract 5

What is the result of 2 times -4 in the evaluation process?

• 6

• -8

• 8

• -6

What is the final result of the expression evaluation?

• -13

• 8

• 13

• -8