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9.3.4  Left side of an equation

(See Section 5.2.4, Section 8.2.3, Section 6.5.1, Section 6.6.2, Section 6.3.6, Section 9.3.5, Section 27.2.8 and Section 27.2.9 for other uses of left.)

The left or lhs command finds the left hand side of an equation.

Example

left(2x-1=3)
     
x−1           

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