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18 March, 06:03

0.8x+3.2-4.3x=7.7-1.2x

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Answers (2)
  1. 18 March, 08:46
    0
    Combine all the like terms on one side:

    0.8x-4.3x+1.2x=7.7-3.2

    -2.3x=4.5

    Use the division property of equality. divide both sides by - 2.3.

    That leaves you with x=-1.96 (when rounded). exact: - 1.95652
  2. 18 March, 10:01
    0
    On the left side of the equation we have like terms so: - 3.5x + 3.2 = - 1.2x + 7.7

    Add 3.5 to each side: 3.2 = 2.3x + 7.7

    Subtract 7.7 from each side: - 4.5 = 2.3x

    Divide both sides by 2.3: - 1.95652174 = x

    Answer: - 1.95652174
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