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Left-hand Side And Right-hand Side Of An EquationIn mathematics, LHS is informal shorthand for the left-hand side of an equation. Conversely, RHS is the right-hand side. Each is solely a name for a term as part of an expression; and they are in practice interchangeable, since equality is symmetric. This abbreviation is seldom if ever used in print; it is very informal. More generally, these terms may apply to an inequation or inequality. In the inequality case, there is no symmetry. The right-hand side is everything on the right side of a test operator in an expression. Conversely, the left hand side is everything on the left side. Some examples In - 2a + 5 = a/3,
the term - a/3
is the RHS. In - x ≤ 10,
just - 10
is the RHS. See also equal sign, operator. Syntax More abstractly, when using infix notation - T*U
the term T stands as the left-hand side and U as the right-hand side of the operator *. This usage is less common, though.
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