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mixer [17]
3 years ago
6

What is the first step to solving 9z-21=60​

Mathematics
2 answers:
ELEN [110]3 years ago
7 0
Add 21 to both sides, so you get 9z = 81
MatroZZZ [7]3 years ago
6 0

Answer:

add 21 to both sides

Step-by-step explanation:

9z-21=60

9z-21+21 =60+21

9z=81

9z/9=81/9

z = 9

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