Without information about j, the only possible answer is 3j + 15
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3j-13=11+2j 3j-13-2j = 11+2j-2 j-13 = 11 j-13 +13 = 11 + 13 = 24 so j = 24
-3j = 44.7 -j = 44.7 ÷ 3 -j = 14.9 j = -14.9
It equals 285
in algabreic terms, it is x