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For the ecuation: −4z+1=bz+c for z
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For the ecuation: −4z+1=bz+c
for z

User Mitja Rogl
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1 Answer

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bz+c=-4z+1\ \ \ |-c\\\\bz=-4z+1-c\ \ \ \ |+4z\\\\bz+4z=1-c\\\\(b+4)z=1-c\ \ \ \ |:(b+4)\\eq0\\\\\boxed{z=(1-c)/(b+4)}

User ISparkes
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