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Answer 1 · 2018-01-12T01:39:50

#1/4x-7=-1#

less than always means that the number would be after

Answer 2 · 2018-01-12T01:43:54

#24#

let the number be #x#. Then #1/4# of the number is #1/4x#

So, #1/4x-7# = #-1#

or, #(1x-28)/4#= #-1#

or, #x-28 = -1xx4#

or, #x# = #-4+28# = #24#