What is the first step in simplifying the expression 2X + 3 - 2?
Evaluate an expression with one variable ex2, 2x + 3 - 2; x=5
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Mathematics
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11th Grade - University
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Hard
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The video tutorial explains how to evaluate the expression 2X + 3 - 2 when X = 5. It emphasizes the importance of simplifying expressions before evaluating them. The tutorial demonstrates substituting the value of X and performing calculations, highlighting the correct representation of multiplication in expressions. The final result of the expression is calculated to be 11.
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5 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Why is it important to simplify expressions whenever possible?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
What does the expression 'a number next to a variable' signify?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
How do you represent multiplication between two numbers in an expression?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the simplified result of the expression 2 * 5 + 1?
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