Solving equations review

Flashcard
•
Mathematics
•
KG - University
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an equation?
Back
An equation is a mathematical statement that shows the equality of two expressions, typically containing variables.
2.
FLASHCARD QUESTION
Front
What does it mean to solve an equation?
Back
To solve an equation means to find the value of the variable that makes the equation true.
3.
FLASHCARD QUESTION
Front
What is a variable in mathematics?
Back
A variable is a symbol, often a letter, that represents an unknown value in an equation.
4.
FLASHCARD QUESTION
Front
What is the first step in solving the equation 5b + 7 + 6b = 40?
Back
Combine like terms: 5b + 6b = 11b, so the equation becomes 11b + 7 = 40.
5.
FLASHCARD QUESTION
Front
How do you isolate a variable in an equation?
Back
To isolate a variable, you perform operations to get the variable on one side of the equation and the constants on the other.
6.
FLASHCARD QUESTION
Front
What is the solution to the equation 2x - 8 + x = -20?
Back
x = -4.
7.
FLASHCARD QUESTION
Front
What does it mean to combine like terms?
Back
Combining like terms means to add or subtract terms that have the same variable raised to the same power.
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