Solve for k
k=-4
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-40k+40-8=192
Use the distributive property to multiply 8 by -5k+5.
-40k+32=192
Subtract 8 from 40 to get 32.
-40k=192-32
Subtract 32 from both sides.
-40k=160
Subtract 32 from 192 to get 160.
k=\frac{160}{-40}
Divide both sides by -40.
k=-4
Divide 160 by -40 to get -4.
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