Question 72447
{{{sqrt(5y+8)=6}}}

Square both sides:

{{{(sqrt(5y+8))^2 = 6^2}}}

Squaring a square root takes away
the radical:

{{{5y+8=36}}}

Subtract 8 from both sides

{{{5y+8-8=36-8}}}

{{{5y = 28}}}

Divide both sides by 5

{{{(5y)/5=28/5}}}

{{{y=28/5}}}

or if you prefer

{{{y = 5.6}}}
Edwin