Solve for x
x=-4
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-5x=10+10
Add 10 to both sides.
-5x=20
Add 10 and 10 to get 20.
x=\frac{20}{-5}
Divide both sides by -5.
x=-4
Divide 20 by -5 to get -4.
Examples
Quadratic equation
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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]
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\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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