Respuesta :

Equation

[tex]\lvert-7y+4\rvert+8=1[/tex]

Isolate the absolute value

[tex]\begin{gathered} \lvert-7y+4\rvert+8=1 \\ \lvert-7y+4\rvert=1-8 \\ \lvert-7y+4\rvert=-7 \end{gathered}[/tex]

Answer: No solution (∅) (absolute value cannot be less than 0).