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Simplify these expressions and find their values if x = 3, a = – 1, b = – 2 3x – 5 – x + 9

 Simplify these expressions and find their values if x = 3, a = – 1, b = – 2
3x – 5 – x + 9

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5965 Points
11 months ago
Dear Student

From the question it is given that x = 3
We have,
= 3x–x–5 + 9
= 2x + 4
Then, substitute the value of x in the equation
= (2 × 3) + 4
=6 +4
= 10

Thanks

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