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Simplify these expressions and find thei...

Simplify these expressions and find their values if `x=3, a-1 and b=-2` (i) `3x-5-x+9`

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To simplify the expression \(3x - 5 - x + 9\) and find its value when \(x = 3\), we can follow these steps: ### Step 1: Combine Like Terms The expression is \(3x - 5 - x + 9\). We will combine the like terms, which are the terms involving \(x\) and the constant terms. - Combine \(3x\) and \(-x\): \[ 3x - x = 2x ...
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