tdmacy1
tdmacy1
10-12-2018
Mathematics
contestada
Solve for d. 20d − 19d + 3d + 4d + 2d = 20
Respuesta :
BeaTrix131
BeaTrix131
10-12-2018
20d-19d+3d+4d+2d=20
(20d-19d)+(3d+4d)+2d=20
1d+7d+2d=20
8d+2d=20
10d=20
10/10 d=20/10
d=2
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