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19 March, 01:48

9) Solve e/4 - 10 = - 20 (CHECK on your graph paper.)

10) Solve 0.4k - 4 + 1.6k = 14 (CHECK on your graph paper.)

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  1. 19 March, 05:40
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    9) e=-40 10) k=9

    Step-by-step explanation:

    9) e/4-10=-20 add 10 on both sides

    e/4=-10 Multiply everything by 4

    e=-40

    10) 0.4k-4+1.6k=14 combine like terms

    2k-4=14 Add 4 on both sides

    2k=18 divide both sides by 2

    k=9
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