Respuesta :

[tex]\longrightarrow{\green{z\:=\:10}}[/tex] 

[tex]\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}[/tex]

[tex]3z + 4 = 34 \\ \\⇢3z = 34 - 4 \\ \\⇢3z = 30 \\\\ ⇢z = \frac{30}{3} \\ \\⇢z = 10[/tex]

[tex]\boxed{To\:verify:}[/tex]

[tex]3z + 4 = 34 \\\\ ✒ \: 3 \times 10 + 4 = 34 \\ \\✒ \: 30 + 4 = 34\\\\ ✒ \: 34 = 31 \\ \\✒ \: L.H.S.=R. H. S[/tex]

Hence verified.

[tex]\bold{ \green{ \star{ \orange{Mystique35}}}}⋆[/tex]

Answer:

Hello There!!

[tex]3z+4=34[/tex]

[tex]3z=34-4[/tex]

[tex]3x=30[/tex]

[tex]Divde~both~sides~by~3[/tex]

[tex]z=10[/tex]

[tex]\huge\boxed{\boxed{\underline{\textsf{\textbf{Z=10}}}}}[/tex]

---------------------

hope it helps...

have a great day!!