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Anonymous
divide each side by 12; Z=9
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-3
6z + 28 = 12z + 10 18 = 6z 3 = z
-3z+17+12z = 11 9z = -6 z = -2/3
(z - 6)(z - 6)
18x6=108 108-23=85 Your answer is 85.