Solve for x
x=5
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x-5=5x-25
Use the distributive property to multiply 5 by x-5.
x-5-5x=-25
Subtract 5x from both sides.
-4x-5=-25
Combine x and -5x to get -4x.
-4x=-25+5
Add 5 to both sides.
-4x=-20
Add -25 and 5 to get -20.
x=\frac{-20}{-4}
Divide both sides by -4.
x=5
Divide -20 by -4 to get 5.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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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
\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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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