Solve for x
x=\frac{4}{5}=0.8
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5x=5-1
Subtract 1 from both sides.
5x=4
Subtract 1 from 5 to get 4.
x=\frac{4}{5}
Divide both sides by 5.
Examples
Quadratic equation
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Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
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Matrix
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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