xjawynne4561
xjawynne4561
11-10-2021
Mathematics
contestada
Help me please I do not understand it.
Respuesta :
oakleyhaskell
oakleyhaskell
11-10-2021
6x - 11 + 15x + 2 = 180
21x - 9 = 180
21x = 189
x = 9
—
D = 15(9) + 2
D = 135 + 2
D = 137
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