candicej121090 candicej121090

30-10-2014
Mathematics

Answered

I need helping solving -3z+7=-7-10z

Answer :

emmybaby58 emmybaby58

30-10-2014

-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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31-10-2014

-3z+7=-7-10z -3z+10z=-7-7 7z=-14 (divide both sides by 7) z=-2

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