asked 88.6k views
2 votes
What is the solution to × + 9 = 21A. × = 18B. × = 9C. × = 30D. × = 12

asked
User Dfens
by
6.8k points

1 Answer

6 votes

× + 9 = 21

subtract 9 from both sides

× + 9 - 9 = 21 - 9

× = 21 - 9

= 12

Option D

answered
User Dgruending
by
8.1k points
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