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Alinara [238K]
4 years ago
8

The substitution property of equality allows you to say that if 7j + 14k = 28 And j = 2 then

Mathematics
2 answers:
natita [175]4 years ago
8 0
K must =1 if j=2 because when substituting in 2 for j you solve for k and get 1

sergey [27]4 years ago
6 0
7 \times (2) + 14k = 2 \\ \\ k = -\frac{7}{6}
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