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12 questions from this quiz
Equations sharing the same variables
Find values making all equations true
Coordinates of intersection point
The elimination method
Adding/subtracting to cancel a variable
To make coefficients suitable to cancel
To keep track of them clearly
That variable cancels out
Substitute back to find other variable
To confirm no errors were made
13x=2613x = 2613x=26
Label, multiply, add, solve, substitute
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