diwashdangal162 diwashdangal162

15-05-2021
Mathematics

contestada

if 2 X + 1 ,2 x-1 and 3 X + 4 are in AP find the value of x

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jimrgrant1 jimrgrant1

15-05-2021

Answer:

x = - 7

Step-by-step explanation:

Given that the terms are in AP , then

a₃ - a₂ = a₂ - a₁ , substitute values

3x + 4 - (2x - 1) = 2x - 1 - (2x + 1) ← distribute and simplify both sides

3x + 4 - 2x + 1 = 2x - 1 - 2x - 1

x + 5 = - 2 ( subtract 5 from both sides )

x = - 7

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