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19-09-2019
Mathematics

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find the errors what equation do you get when you solve each equation for x

find the errors what equation do you get when you solve each equation for x class=

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Аноним Аноним

19-09-2019

Answer:

Error in the third line.

Step-by-step explanation:

There is an error in the third line.

We are dividing through by 7 but mx is not divided by 7.

Correct solution is:

mx + 7nx =7

x(m + 7n) = 7

x = 7 / (m + 7n).

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