Solve for x
x=-6
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3-x=9
Multiply both sides of the equation by 9, the least common multiple of 3,9.
-x=9-3
Subtract 3 from both sides.
-x=6
Subtract 3 from 9 to get 6.
x=-6
Multiply both sides by -1.
Examples
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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