keasiahilliard
keasiahilliard
24-05-2021
Mathematics
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Respuesta :
sreedevi102
sreedevi102
24-05-2021
Answer:
(13x -7 ) + (8x -2) = 180
13x - 7 + 8x - 2 = 180
21x -9 = 180
21x = 189
x = 9
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