Solving 2-step equations
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a 2-step equation?
Back
A 2-step equation is an algebraic equation that requires two operations to solve for the variable. For example, in the equation x + 3 = 7, you would first subtract 3 from both sides, then solve for x.
2.
FLASHCARD QUESTION
Front
How do you isolate a variable in a 2-step equation?
Back
To isolate a variable, perform inverse operations. For example, in the equation 2x + 4 = 12, first subtract 4 from both sides to get 2x = 8, then divide by 2 to find x = 4.
3.
FLASHCARD QUESTION
Front
What is the first step in solving the equation 3x - 5 = 10?
Back
The first step is to add 5 to both sides of the equation, resulting in 3x = 15.
4.
FLASHCARD QUESTION
Front
What is the solution to the equation 2x + 6 = 18?
Back
The solution is x = 6. First, subtract 6 from both sides to get 2x = 12, then divide by 2.
5.
FLASHCARD QUESTION
Front
If you have the equation x/4 = 2, how do you solve for x?
Back
Multiply both sides by 4 to isolate x, resulting in x = 8.
6.
FLASHCARD QUESTION
Front
What does it mean to check your solution in an equation?
Back
Checking your solution means substituting the value back into the original equation to verify that both sides are equal.
7.
FLASHCARD QUESTION
Front
Solve the equation 5x - 10 = 0. What is x?
Back
x = 2. First, add 10 to both sides to get 5x = 10, then divide by 5.
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