Question

1. Solve the following equations. a. 2z - 15 = 30​

Answer 1

Answer:

Z=1

Step-by-step explanation:

2z-15=30

2z=30/15

2z=2

z=2/2

z=1

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Answer 2

Answer:

$2z - 15 = 30 \\ 2z = 30 + 15 \\ 2z = 45 \\ z = \frac{45}{2} \\ z = 22.5$

Step-by-step explanation:

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