Solve for x
x=-5
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24-4x+7x=9
Add 7x to both sides.
24+3x=9
Combine -4x and 7x to get 3x.
3x=9-24
Subtract 24 from both sides.
3x=-15
Subtract 24 from 9 to get -15.
x=\frac{-15}{3}
Divide both sides by 3.
x=-5
Divide -15 by 3 to get -5.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
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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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