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When solving a system of 2 equations and 2 unknowns using the substitution method, what is the ideal value of the coefficient of the isolated variable?
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When solving a system of 2 equations and 2 unknowns using the substitution method, what is the ideal value of the coefficient of the isolated variable?

User Sudhir Arya
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You need the variable by itself, so the coefficient is 1.
User Dwoolk
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