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OpenStudy (anonymous):
x^2 + y^2 = 8 y − x = 4 Use the method of substitution to solve the system
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OpenStudy (jhannybean):
Take the second equation, which variable would you like to solve for?
OpenStudy (anonymous):
it asks for x and y
OpenStudy (jhannybean):
Yes, but in order to use the substitution method, you need to evaluate one of the two equations for a single variable
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