02-12-2016
Mathematics

contestada

If f(x)=-12x−3, find x for f(x)=89.

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ablagun ablagun

02-12-2016

f(89)=-12(89)-3=-1068-3=-1071

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texaschic101 texaschic101

02-12-2016

89 = -12x - 3
89 + 3 = -12x
92 = -12x
-92/12 = x
-23/3 or -7 2/3 = x

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