Evaluate
\frac{x}{7}+y-A
Factor
\frac{x+7y-7A}{7}
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\frac{x}{7}+\frac{7\left(y-A\right)}{7}
To add or subtract expressions, expand them to make their denominators the same. Multiply y-A times \frac{7}{7}.
\frac{x+7\left(y-A\right)}{7}
Since \frac{x}{7} and \frac{7\left(y-A\right)}{7} have the same denominator, add them by adding their numerators.
\frac{x+7y-7A}{7}
Do the multiplications in x+7\left(y-A\right).
\frac{x+7y-7A}{7}
Factor out \frac{1}{7}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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