Question

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

Answer 1

$7 \times (2) + 14k = 2 \\ \\ k = -\frac{7}{6}$

Answer 2

k must =1 if j=2 because when substituting in 2 for j you solve for k and get 1