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Mathematics 10 Online
OpenStudy (anonymous):

Will medal and fan! Mona solved an equation incorrectly, as shown below: Step 1: 5x = 30 Step 2: x = 30 – 5 Step 3: x = 25 Which statement best explains why Step 2 is incorrect in Mona's solution? She did not add 5 to 30. She did not divide 30 by 5. She did not multiply 30 by 5. She did not multiply 30 five times.

OpenStudy (anonymous):

B or second option I believe

OpenStudy (anonymous):

Heloooo?

OpenStudy (anonymous):

how do you know?

OpenStudy (welshfella):

yes second option is correct

OpenStudy (anonymous):

Well you are not going to multiply 30 by 5 because you have 5x which can also be written as : 5 x X

OpenStudy (welshfella):

she should have divided by 5

OpenStudy (anonymous):

also you want to divide then so you can find x

OpenStudy (anonymous):

and you want to divide both sides on 5 then

OpenStudy (anonymous):

ok thanks fof the help

OpenStudy (anonymous):

by* not on

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