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20 December, 13:28

Solve for x: 2 over 5 plus 3 over 5 x equals quantity x plus 5 over 10

X=3

X=2

X=-3 and 2

No solution

+5
Answers (1)
  1. 20 December, 17:24
    0
    (2/5) + (3 / (5x)) = (x+5) / 10

    nasty fractions, we hates it forever

    so

    get rid of all those nasty fractions

    multiply both sides by 10x

    4x+6=x (x+5)

    distribute

    4x+6=x^2+5x

    minus (4x+6) from both sides

    0=x^2+x-6

    factor

    0 = (x-2) (x+3)

    set each to zero

    0=x-2

    2=x

    0=x+3

    -3=x

    x=-3 and 2

    3rd option is answer
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