Solve for x
x=\frac{1}{5}=0.2
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4x+x=1
Combine x and 3x to get 4x.
5x=1
Combine 4x and x to get 5x.
x=\frac{1}{5}
Divide both sides by 5.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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