Variable on Both Sides with Combining Practice - A
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a variable in an equation?
Back
A symbol, often represented by a letter, that stands for a number that can change or vary.
2.
FLASHCARD QUESTION
Front
What does it mean to combine like terms?
Back
Combining like terms means to simplify an expression by adding or subtracting terms that have the same variable raised to the same power.
3.
FLASHCARD QUESTION
Front
What is the first step in solving an equation with variables on both sides?
Back
Identify and isolate the variable by moving all terms containing the variable to one side of the equation.
4.
FLASHCARD QUESTION
Front
What is the error in the expression 2x + 3x?
Back
The error is in not combining like terms; it should be simplified to 5x.
5.
FLASHCARD QUESTION
Front
How do you isolate a variable in an equation?
Back
You can isolate a variable by performing inverse operations to both sides of the equation.
6.
FLASHCARD QUESTION
Front
What is the purpose of balancing an equation?
Back
The purpose is to maintain equality by performing the same operation on both sides of the equation.
7.
FLASHCARD QUESTION
Front
What does it mean to subtract 5 from both sides of an equation?
Back
It means to take away 5 from both sides to keep the equation balanced.
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