asked 185k views
0 votes
(12x+9)−(3x+7)




there's a ( sign before 12x

asked
User Avishayp
by
8.2k points

1 Answer

4 votes
12x-3x=9x 9+7=16

9x+16=25x
answered
User Darryl Noakes
by
7.7k points

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