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algebra

posted by on .

Solve the following rational expressions.
#1 (4y-3)/8 + (3)/(4y) = (y+3)/2
#2 5/(2x-1) = 1 - (8x-16)/(10x-5)

  • algebra - ,

    in each case find the LCD , then multiply each term by that.

    I will do the #2
    5/(2x-1) = 1 - (8x-16)/(10x-5)
    5/(2x-1) = 1 - (8x-16)/(5(2x-1) )
    LCD = 5(2x-1)

    5/(2x-1)*5(2x-1) = 1*5(2x-1) - (8x-16)/(5(2x-1) )*5(2x-1)
    25 = 10x - 5 - (8x-16)
    14 = 2x
    x = 7

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