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Mathematics 9 Online
OpenStudy (anonymous):

solve z+5=4

OpenStudy (anonymous):

z=-1

OpenStudy (anonymous):

-1

OpenStudy (anonymous):

We want to isolate z, so we have to make 5 left z alone by subtract both side by 5. z+5=4 z+5 - 5 = 4 - 5 z = 4 - 5 z = -1

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