
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
In the diagram, $ABC$ is a straight line. What is the value of $y$?

[asy]
draw((-2,0)--(8,0),linewidth(0.7)); draw((8,0)--(5,-5.5)--(0,0),linewidth(0.7));
label("$A$",(-2,0),W); label("$B$",(0,0),N); label("$C$",(8,0),E); label("$D$",(5,-5.5),S);

label("$148^\circ$",(0,0),SW); label("$58^\circ$",(7,0),S);

label("$y^\circ$",(5,-4.5));

[/asy]

Present the answer in LaTex format: \boxed{Your answer}
user