Question 903326
3 2/3 (12-a)=43
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If it's (3 2/3)*(12-a) = 43
Mixed numbers are useless.
(11/3)*(12-a) = 43
Multiply by 3 to eliminate the fractions.
11*(12-a) = 129
132 - 11a = 129
Subtract 132
-11a = -3
Divide by -11
a = 3/11