Solve for n
n=9
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36=4n
Multiply 12 and 3 to get 36.
4n=36
Swap sides so that all variable terms are on the left hand side.
n=\frac{36}{4}
Divide both sides by 4.
n=9
Divide 36 by 4 to get 9.
Examples
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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
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Limits
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