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Algebraically solve for x: 7/2x-2/x+1=1/4

User Diyism
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2 Answers

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20 votes

Answer:

x = -2

Explanation:

7/(2x) - 2/x + 1 = 1/4

7/(2x) - 4/(2x) + 1 = 1/4

(7-4)/(2x) = 1/4 - 1

3/(2x) = 1/4 - 4/4

3/(2x) = - 3/4

3 = (-3/4)(2x)

3 = -6x/4

3*4 = -6x

12 = -6x

12/-6 = x

-2 = x

Check:

7/(2*-2) - 2/-2 + 1 = 1/4

7/-4 + 1 + 1 = 1/4

-7/4 + 2 = 1/4

-7/4 + 8/4 = 1/4

User Verim
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14 votes
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Step-by-step explanation: Check the photo

Algebraically solve for x: 7/2x-2/x+1=1/4-example-1
User Vendrel
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