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2014-03-17T16:54:19+02:00

8+2*[(4+88/x)*7-88]=276     2*[(4+88/x)*7-88]=276-8=268   2*(4+88/x)*7=268-88=180   4+88/x*7=180:2=60   88/x*7=60-4=56    88/x=56/7=8  x=88/8=11  x=11