Solve for x
x=-7
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7x+5-5x=-9
Subtract 5x from both sides.
2x+5=-9
Combine 7x and -5x to get 2x.
2x=-9-5
Subtract 5 from both sides.
2x=-14
Subtract 5 from -9 to get -14.
x=\frac{-14}{2}
Divide both sides by 2.
x=-7
Divide -14 by 2 to get -7.
Examples
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Linear equation
y = 3x + 4
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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 ) }
Integration
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Limits
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