Suppose you are asked to solve the system by elimination method what must be done first ? a. solve for a and y-intercept of each equation b. solve for the salt slope of each equation c. add the two equation to remove y from the system d. subtract the two equation to remove y from the system
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https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:systems-of-equations/x2f8bb11595b61c86:solving-systems-elimination/a/elimination-method-review
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