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x4 - 3
x + 8 < 144
If there is an equal sign, it is called an equation; if there is a less-than, a less-than-or-equal, a greater-than, or a greater-than-or-equal sign, an inequality; if there is none of these, an expression.
let the no. be 'x' therefore, the expression of 5 less than a no. is, x-5
29-5