candicej121090
candicej121090
31-10-2014
Mathematics
contestada
I need helping solving -3z+7=-7-10z
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emmybaby58
emmybaby58
31-10-2014
-3z + 7 = -7 - 10z
Add 10z to both sides
7z + 7 = -7
Subtract 7 from both sides
7z = -14
Divide by 7
Z = -2
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makica
makica
31-10-2014
-3z+7=-7-10z -3z+10z=-7-7 7z=-14 (divide both sides by 7) z=-2
Answer Link
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