What is the mistake made when combining like terms 5x - 7x?
4.1.11 Flashcard Review Game

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•
Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The mistake is incorrectly combining them to get 2x instead of -2x.
2.
FLASHCARD QUESTION
Front
What happens when you cancel out -2x - 2x incorrectly?
Back
You should get -4x instead of canceling them out.
3.
FLASHCARD QUESTION
Front
Back
x = -8
4.
FLASHCARD QUESTION
Front
Back
x = 11
5.
FLASHCARD QUESTION
Front
Back
x = 4
6.
FLASHCARD QUESTION
Front
What is the distributive property?
Back
The distributive property states that a(b + c) = ab + ac.
7.
FLASHCARD QUESTION
Front
How do you isolate a variable in an equation?
Back
You perform inverse operations to get the variable by itself on one side of the equation.
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