Variables on Both Sides

Flashcard
•
Mathematics
•
8th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a variable in mathematics?
Back
A symbol used to represent an unknown value in an equation or expression.
Tags
CCSS.6.EE.A.2B
2.
FLASHCARD QUESTION
Front
What does it mean to solve an equation with variables on both sides?
Back
It means to find the value of the variable that makes both sides of the equation equal.
3.
FLASHCARD QUESTION
Front
What is the first step in solving an equation with variables on both sides?
Back
Combine like terms on both sides of the equation.
4.
FLASHCARD QUESTION
Front
If you have the equation 3x + 5 = 2x + 10, how do you isolate x?
Back
Subtract 2x from both sides to get x + 5 = 10, then subtract 5 from both sides to find x = 5.
5.
FLASHCARD QUESTION
Front
What is the solution to the equation 4x - 2 = 2x + 10?
Back
x = 6.
6.
FLASHCARD QUESTION
Front
How do you check if your solution to an equation is correct?
Back
Substitute the solution back into the original equation to see if both sides are equal.
Tags
CCSS.6.EE.B.5
7.
FLASHCARD QUESTION
Front
What does it mean if an equation has no solution?
Back
It means there is no value for the variable that can make the equation true.
Tags
CCSS.8.EE.C.7A
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