79.1k views
1 vote
Z-49+851=100+21z /////////////////////////////////////////////////

2 Answers

5 votes

Answer:

z = 351/10 or z = 35.1

Explanation:

*Add/subtract numbers: -49 + 851 = 802

z + 802 = 100 + 21z

*Subtract 802 from both sides

z + 802 - 802 = 100 + 21z - 802

*Simplify

z = 21z - 702

*Subtract 21z from both sides

z - 21z = 21z - 702 - 21z

*Simplify

-20z = -702

*Divide both sides by -20

- 20z/20 = - 702/- 20

*Simlify

z = 351/10 or z = 35.1

User Janghou
by
8.3k points
0 votes

Answer:

z=35.1

Explanation:

User Tom Warner
by
8.4k points

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