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kogti [31]
4 years ago
11

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

Mathematics
1 answer:
patriot [66]4 years ago
5 0
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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