alyssakadas alyssakadas

14-02-2017
Mathematics

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Solving systems of equations using substitution p=q+3 4p+3q= -30

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jordanbriel jordanbriel

14-02-2017

4(q+3) + 3q = -30
4q +12 + 3q = -30
7q+12= -30
7q = -12-30
7q = -42
q = -6
p = -3

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