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Simplify these expressions and find their values if x = 3, a = – 1, b = – 2. 3a + 5 – 8a + 1

Simplify these expressions and find their values if x = 3, a = – 1, b = – 2.
 3a + 5 – 8a + 1 

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5964 Points
8 months ago
Dear Student

From the question it is given that a = -1
We have,
= 3a–8a + 5 + 1
= - 5a + 6
Then, substitute the value of a in the equation
= - (5 × (-1)) + 6
= - (-5) + 6
=5 + 6
= 11

Thanks

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