Solve for k
k=0
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-4+\frac{5}{4}k=-9+5
Add -8 and 4 to get -4.
-4+\frac{5}{4}k=-4
Add -9 and 5 to get -4.
\frac{5}{4}k=-4+4
Add 4 to both sides.
\frac{5}{4}k=0
Add -4 and 4 to get 0.
k=0
Product of two numbers is equal to 0 if at least one of them is 0. Since \frac{5}{4} is not equal to 0, k must be equal to 0.
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