Question

2(z-1)+6=15

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Answer 1

Answer:

Step-by-step explanation:

2(z-1)+6=15

2z - 2 +6 =15

2z -2 = 15-6

2z -2 = 9

2z = 9+2

2z = 11

z=11/2

z=5.5

Answer 2

Answer:

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