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17 June, 02:00

3/4 (1/2x+1/5) - 1/8x=2 1/5

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  1. 17 June, 02:24
    0
    3/4 (1/2x+1/5) - 1/8x=2 1/5

    3/4 (1/2x+1/5) - 1/8x=11/5

    3/8x+3/20-1/8x=11/5

    2/8x+3/20-11/5=0

    1/4x-41/20=0

    1/4x=41/20

    x=41/5

    x=8.2
  2. 17 June, 02:57
    0
    2 and 1/5=2+1/5=10/5+1/5=11/5

    multiply both sides by 40

    30 (1/2x+1/5) - 5x=88

    expand

    15x+6-5x=88

    10x+6=88

    minus 6 both sides

    10x=82

    divide both sides by 10

    x=82/10=8 and 1/5
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