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Mathematics 15 Online
OpenStudy (anonymous):

-3z + 8 = -1 z = _

OpenStudy (anonymous):

first, you would subtract 8 from both sides, so do -1 minus 8.

OpenStudy (anonymous):

ok its negative -9

OpenStudy (anonymous):

now you have the equation -3z=-9. now you divide by -3 on both sides. what is that?

OpenStudy (anonymous):

3?

OpenStudy (anonymous):

yes!

OpenStudy (anonymous):

yaay!!

OpenStudy (anonymous):

so now you have z=3.

OpenStudy (anonymous):

:) good job!

OpenStudy (anonymous):

thank you very much!

OpenStudy (anonymous):

:) no problem

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