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\frac{7-5}{2}=1
Since \frac{7}{2} and \frac{5}{2} have the same denominator, subtract them by subtracting their numerators.
\frac{2}{2}=1
Subtract 5 from 7 to get 2.
1=1
Divide 2 by 2 to get 1.
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Compare 1 and 1.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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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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