coriharvey18 coriharvey18

28-11-2017
Mathematics

contestada

the equation 7x-10y=30 is written in standard form. What is the first step when writing an equivalent equation which solves for y.

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Resolution23 Resolution23

28-11-2017

You solve for y so then u subtract the 7x from 30 to get 30-7x equals -10 since the -10 has a variable it means u divide by -10 to the subtracting equation to get-3+7/10

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Klyon1012 Klyon1012

28-11-2017

if you use the multiplication chart for 10 and 7 you the find the right numbers to subtract from to get 30

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