Solve for n
n=-22
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n+4=-9\times 2
Multiply both sides by 2.
n+4=-18
Multiply -9 and 2 to get -18.
n=-18-4
Subtract 4 from both sides.
n=-22
Subtract 4 from -18 to get -22.
Examples
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Linear equation
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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