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Mathematics 8 Online
OpenStudy (anonymous):

solve: 12+ sqrt. {x+5}=15

OpenStudy (amistre64):

subtract 12; square it, then subtract off the 5

OpenStudy (amistre64):

the thing to remember is that to under a sqrt, you ^2 it

OpenStudy (anonymous):

ok do i ^2 the 3 too?

OpenStudy (amistre64):

yep, what you do to one side, you have to do to the other to keep it balanced :)

OpenStudy (anonymous):

:D thank you!!!

OpenStudy (amistre64):

youre welcome, you did get x=4 right?

OpenStudy (anonymous):

yes! :D

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