Find the value of ‘a’: 0.3 a + 0.5 = 0.4 a – 0.2​

Question

Find the value of ‘a’: 0.3 a + 0.5 = 0.4 a – 0.2​

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1 month 2021-08-14T20:39:13+00:00 2 Answers 0 views 0

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    0
    2021-08-14T20:40:25+00:00

    0.3 a + 0.5 = 0.4 a – 0.2

    0.5 + 0.2 = 0.4 a – 0.3 a

    0.7 = 0.1 a

    Multiply by 10 on both sides,

    0.7 × 10 = 0.1 a × 10

    7 = a

    Therefore the value of a is 7 .

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    0
    2021-08-14T20:40:32+00:00

    Step-by-step explanation:

    0.5+0.2=0.4a-0.3a

    0.7=0.1a

    0.7/0.1=a

    =7

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