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is it possible to solve the system {3x-2y=10][ x+2y=6} by using substitution? if so,explain how.which method substitution or elimination, is more efficient?why?
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is it possible to solve the system {3x-2y=10][ x+2y=6} by using substitution? if so,explain how.which method substitution or elimination, is more efficient?why?

User Roizpi
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Yes, you can do it using substitution. However, elimination would be better because you could just add the two equations and have y cancelled out immediately. 
User Benjamin Ledet
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