Answer:
k = 6
Step-by-step explanation:
[tex]\frac{k}{7 + 3 - 2k}[/tex] = -3
cross multiply
k* 1 = -3(7 + 3 - 2k)
expand the bracket
k = -21 - 9 + 6k
subtract 6k from both sides
k - 6k = -21 - 9 + 6k - 6k
-5k = -30
Divide both sides by -5
