[tex]\boldsymbol{\sf{2x+5 < \dfrac{x+1}{4} }}[/tex]
Multiply the two sides of the equation by 4. Since 4 is > 0, the direction of inequality remains the same.
[tex]\boldsymbol{\sf{8x+20 < x+1 }}[/tex]
Resta x en los dos lados.
[tex]\boldsymbol{\sf{8x+20-x < 1 }}[/tex]
Combine 8x and −x to get 7x.
[tex]\boldsymbol{\sf{7x+20 < 1 }}[/tex]
Subtract 20 on both sides.
[tex]\boldsymbol{\sf{7x < 1-20 \ \ \longmapsto \ \ [To \ subtract] }}[/tex]
[tex]\boldsymbol{\sf{7x < -19 }}[/tex]
Divide the two sides by 7. Since 7 is >0, the direction of inequality remains the same.
[tex]\boldsymbol{\sf{x < -\dfrac{19}{7} } }[/tex]
As the end result, it is not simplified or divided, then
[tex]\blue{\boxed{\boldsymbol{\sf{Answer \ \ \longmapsto \ \ x < -\frac{19}{7} }}}}[/tex]
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