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14 March, 22:11

2.1x-0.9y=15 simplify

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  1. 14 March, 23:44
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    I don't understand

    one way you could consider 'simplifying' is to make all numbers whole and simplest form

    I will put it into stardard form which is ax+by=c

    make all numbers whole

    2.1x-0.9y=15

    multiply everybody by 10

    21x-9y=150

    divide everybody by 3

    7x-3y=50
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