Solve for k
k = -\frac{13}{5} = -2\frac{3}{5} = -2.6
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-5k-2=11
Swap sides so that all variable terms are on the left hand side.
-5k=11+2
Add 2 to both sides.
-5k=13
Add 11 and 2 to get 13.
k=\frac{13}{-5}
Divide both sides by -5.
k=-\frac{13}{5}
Fraction \frac{13}{-5} can be rewritten as -\frac{13}{5} by extracting the negative sign.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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