rfelix06
rfelix06
11-03-2018
Mathematics
contestada
what is the answer for 65=2(d+1)+5d?
Respuesta :
MarkV
MarkV
11-03-2018
[tex]65 = 2(d + 1) + 5d[/tex]
[tex]65 = 2d + 2 + 5d[/tex]
[tex]65 = 7d + 2[/tex]
[tex]63 = 7d[/tex]
Finally divide by 7.
[tex]d = 63 \div 7 = 9[/tex]
Hence, the answer is d = 9
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