How to use substitution to solve a system of equations
Interactive Video
•
Mathematics
•
11th Grade - University
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
The video tutorial explains how to solve a system of equations using substitution. It begins by identifying a variable with a coefficient of 1 and solving for it. The solution is then substituted into another equation, which is simplified to find the value of the second variable. The final solution is presented as a coordinate point, representing the intersection of the equations when graphed.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
What value do you obtain for X after solving the equation -7X + 20 = 13?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the final solution for the coordinate point after finding the values of X and Y?
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OFF
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