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algebra 1

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how to simplify and solve
2/5(20x+5)-1/2(8-4x)=38

  • algebra 1 -

    1. find a common multiple for the denominators of both fractions.

    2. combine the fractions together. do not expand the numerator first.

    3. cross multiply.

    4. expand the terms

    5. make x the subject.

    6. solve.

  • algebra 1 -

    Here is a better way.
    Perform the indicated multiplications and combine terms

    (2/5)(20x+5) - (1/2)(8-4x) = 38
    8x +2 -4 +2x = 38
    10x = 40
    x = 4

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