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288÷[144 - ---------------- ] + 108 =111
7
(4x-64)
288÷ [144 - ------------ ] =3
7
288
-------------------------- =3
[ 144 -(4x-64 \7 ]
288 =3[ 144- (4x-64) \7 ] /÷3
96=144 -4x-64 \7
96-144=4x-64 \7
48=4x-64 \7 /*7
336=4x-64
-4x= -400 /÷(-4)
x=100