Solve -7 < 4x + 1 = 23, x E I.
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SOLUTION
TO SOLVE
- 7 < 4x + 1 < 23 where x ∈ I
EVALUATION
Here the given inequality is
Now I is the set of integers
Now we solve the inequality
Since x is an integer
x = - 1 , 0 , 1 , 2 , 3 , 4 , 5
Hence the solution set
S = { - 1 , 0 , 1 , 2 , 3 , 4 , 5 }
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