If $PQ$ is a straight line, what is the value of $x$? [asy]

size(150);

draw((-1,0)--(1,0));

draw((-0.809,.588)--(0,0)--(0.809,.588));

draw((-.309,.951)--(0,0)--(.309,.951));

label("$P$",(-1,0),W);

label("$Q$",(1,0),E);

label("$x^\circ$",(0.5,0),NW);

label("$x^\circ$",(-0.5,0),NE);

label("$x^\circ$",(0,0.4));

label("$x^\circ$",(0.27,0.2),N);

label("$x^\circ$",(-0.27,0.2),N);

[/asy]
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
If $PQ$ is a straight line, what is the value of $x$? [asy]

size(150);

draw((-1,0)--(1,0));

draw((-0.809,.588)--(0,0)--(0.809,.588));

draw((-.309,.951)--(0,0)--(.309,.951));

label("$P$",(-1,0),W);

label("$Q$",(1,0),E);

label("$x^\circ$",(0.5,0),NW);

label("$x^\circ$",(-0.5,0),NE);

label("$x^\circ$",(0,0.4));

label("$x^\circ$",(0.27,0.2),N);

label("$x^\circ$",(-0.27,0.2),N);

[/asy]
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
36
If $PQ$ is a straight line, what is the value of $x$? [asy]

size(150);

draw((-1,0)--(1,0));

draw((-0.809,.588)--(0,0)--(0.809,.588));

draw((-.309,.951)--(0,0)--(.309,.951));

label("$P$",(-1,0),W);

label("$Q$",(1,0),E);

label("$x^\circ$",(0.5,0),NW);

label("$x^\circ$",(-0.5,0),NE);

label("$x^\circ$",(0,0.4));

label("$x^\circ$",(0.27,0.2),N);

label("$x^\circ$",(-0.27,0.2),N);

[/asy]
train