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OpenStudy (anonymous):
Solve the following system of equations and explain which method you chose to solve the system and why you felt it was the best choice. x - y = 13 2x + y = 2
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OpenStudy (mertsj):
Do you want to use substitution or elimination?
OpenStudy (anonymous):
Substitution
OpenStudy (mertsj):
Solve the first equation for x
OpenStudy (anonymous):
How do I do that?
OpenStudy (mertsj):
Add y to both sides of the equation
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OpenStudy (anonymous):
Like this? x(y) - y = 13(y) 2x(y) + y = 2(y)
OpenStudy (mertsj):
What is the first equation?
OpenStudy (anonymous):
x - y = 13
OpenStudy (mertsj):
|dw:1365804434221:dw|
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