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Help me please I do not understand it.
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1 vote
Help me please I do not understand it.

Help me please I do not understand it.-example-1
User Lorond
by
6.5k 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
User Cristian Bujoreanu
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6.3k points
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