LeftSide Command

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LeftSide[ <Equation> ]
Gives the left-hand side of the simplified equation.
Example:
LeftSide[x + 2 = 3 x + 1] yields x.

CAS Syntax

LeftSide[ <Equation> ]
Gives the left-hand side of the equation.
Example:
LeftSide[x + 3 = 3 x + 1] yields x + 3.
LeftSide[ <List of Equations> ]
Gives the list of the left-hand sides of the equations.
Example:
LeftSide[{a^2 + b^2 = c^2, x + 2 = 3 x + 1}] yields \left\{a^2 + b^2, x + 2 \right\} .
LeftSide[ <List of Equations>, <Index> ]
Gives the left-hand sides of the equation specified by the index.
Example:
LeftSide[{a^2 + b^2 = c^2, x + 2 = 3 x + 1}, 1] yields a^2 + b^2.
Note:
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