Question

5. Solve - 7 < 4x + 1 ,>=
23, X e I.​

Answer 1

Find the third proportional to: 2 2÷3 and 4

Answer 2

Answer

Given, −7<4x+1≤23

We take −7<4x+1≤23

Subtracting -1 from all sides,

−7−1<4x+1−1≤23−1

−8<4x≤22

4

−8

<

4

4x

≤

4

22

( Divding by 4)

−2<x≤5.5

As xϵl, the solution set= {-1, 0, 1, 2, 3, 4, 5}