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5 votes
Show ur work and check it

Show ur work and check it-example-1

2 Answers

2 votes
The answer would be 3 plug it in and check
User Dan Croak
by
3.6k points
6 votes

Answer:

z = 3

Explanation:

12 + z = 15

-12 -12

12 - 12 = 0

15 - 12 = 3

z = 3

User FloydThreepwood
by
3.4k points