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Help me please I do not understand it.

Help me please I do not understand it.
asked 148k views
1 vote
Help me please I do not understand it.

Help me please I do not understand it.-example-1
asked
User Lorond
by
8.6k points

1 Answer

2 votes
6x - 11 + 15x + 2 = 180

21x - 9 = 180

21x = 189

x = 9

—

D = 15(9) + 2

D = 135 + 2

D = 137
answered
User Cristian Bujoreanu
by
8.2k points
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