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-11=2\left(k+1\right)
Variable k cannot be equal to -1 since division by zero is not defined. Multiply both sides of the equation by k+1.
-11=2k+2
Use the distributive property to multiply 2 by k+1.
2k+2=-11
Swap sides so that all variable terms are on the left hand side.
2k=-11-2
Subtract 2 from both sides.
2k=-13
Subtract 2 from -11 to get -13.
k=\frac{-13}{2}
Divide both sides by 2.
k=-\frac{13}{2}
Fraction \frac{-13}{2} can be rewritten as -\frac{13}{2} by extracting the negative sign.