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If mln, solve for x. (3x+9)(x+21)

If mln, solve for x. (3x+9)(x+21)
asked 106k views
11 votes
If mln, solve for x.
(3x+9)(x+21)

If mln, solve for x. (3x+9)(x+21)-example-1
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User Nikita Nemkin
by
7.5k points

1 Answer

10 votes
(3x+9)+(x+21)=90
4x+30=90
4x=60
60/4=15
X=15
answered
User Cheloute
by
8.2k points
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