27-12-2017
Mathematics

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Y=x-6 3x + 2y=8 use the substitution method how to solve?

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icedipping icedipping

27-12-2017

Substituting y=x-6 into the equation,

3x + 2(x-6) = 3x + 2x - 12 = 5x - 12

5x - 12 = 8
5x = 20
x = 4

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