we have the inequality
-1+7c>14
solve for c
step 1
Adds 1 both sides
-1+7c+1> 14+1
7c>15
step 2
Divide by 7 both sides
7c/7>15/7
c> 15/7
the solution is the interval (15/7, infinite)
or
(2 1/7, infinite)
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