
Arturo O. answered 08/14/18
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37 = -3 + 5(k + 6)
"Isolate" k:
Add 3 to both sides.
40 = 5(k + 6)
Divide both sides by 5.
8 = k + 6
Subtract 6 from both sides.
2 = k
k = 2
Test the answer. Is 37 = -3 + 5(2 + 6) ?