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02-02-2017
Mathematics

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What is the substitution method for
D=3c-1
D=5c+2

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sao8beedo sao8beedo

02-02-2017

To substitute is to put something in the place of another.
Since 3c-1 and 5c+2 are both equal to D, then that makes the two equations equal to each other.
3c-1=5c+2

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