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Question
Simplify this expression and find its value if x = 3, a = −1, b = −2.
3a + 5 - 8a + 1
Sum
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Solution
3a + 5 - 8a + 1 on putting a = -1 in the given equation
= 3a - 8a + 5 + 1
= -5a + 6
= -5 × (-1) + 6
= 5 + 6
= 11
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