Solve for x
x = \frac{42}{5} = 8\frac{2}{5} = 8.4
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\frac{210}{25}=x
Divide both sides by 25.
\frac{42}{5}=x
Reduce the fraction \frac{210}{25} to lowest terms by extracting and canceling out 5.
x=\frac{42}{5}
Swap sides so that all variable terms are on the left hand side.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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