AriannaBunnyB
AriannaBunnyB
25-02-2018
Mathematics
contestada
Help with this question please
Respuesta :
Аноним
Аноним
25-02-2018
10 + 3(5n - 12) = 13n
10 + 15n - 36 = 13n
15n - 13n = 36 - 10
2n = 26
n = 13 [Answer C]
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puppyluv534
puppyluv534
25-02-2018
10+3(5n-12)=13n
Distribute:
10+15n-36=13n
Add like terms:
-26+15n=13n
Subtract 15 on both sides:
-26=-2n
Divide by -2 on both sides:
13=n (c)
Hope it helps!
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