<span><span><span>If 16 + 4k = 0 --> 1 solution (or 2 equal solutions, x = 2, 2)
k = -4
--> </span></span></span>
The answer is 2.7. When you are dividing you have to move both decimals to the left until the dividneds, 3.6, is a whole number
2b-5=8b+1
Subtract one from both sides
2b-6=8b
Subtract 2b from both sides.
-6=6b then divide both sides by 6 and you get -1=b.
Hope this helps :)
I assume the question is to find