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4 votes
10c - f = -13 cd solve for c

1 Answer

3 votes
10c - f = -13cd
10c + 13cd = f
10c ( 1 + 3d ) = f
f / ( 1 + 3d ) = 10c
f / ( 1 + 3d ) / 10 = c
10f / (1 + 3d ) = c
User Martin Ogden
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