Solve t=9c-8d for d. assume all variables represent positive values.

asked Sep 21, 2017 194k views

5 votes

by Maran

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4 votes

t = 9c - 8d
t - 9c = -8d
(t - 9c)/-1 = -8d/-1
-(t - 9c) = 8d
-1(t - 9c)/8 = 8d/8
-1/8 • (t - 9c) = d or
-(t - 9c)/8 = d

Thus d = -(t - 9c)/8.

Surekha answered Sep 27, 2017

8.4k points

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