Evaluate
\frac{7x-19}{4}
Factor
\frac{7x-19}{4}
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\frac{7}{4}x-\frac{35}{4}+\frac{16}{4}
Convert 4 to fraction \frac{16}{4}.
\frac{7}{4}x+\frac{-35+16}{4}
Since -\frac{35}{4} and \frac{16}{4} have the same denominator, add them by adding their numerators.
\frac{7}{4}x-\frac{19}{4}
Add -35 and 16 to get -19.
\frac{7x-19}{4}
Factor out \frac{1}{4}.
7x-19
Consider 7x-35+16. Multiply and combine like terms.
\frac{7x-19}{4}
Rewrite the complete factored expression.
Examples
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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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