Respuesta :

Answer:

[tex]\huge\boxed{\tt{x = 50}}[/tex]

Step-by-step explanation:

3x + 30 = 180 (Angles on a straight line add up to 180 degrees)

Subtract 30 to both sides

3x = 180 - 30

3x = 150

Divide 3 to both sides

x = 150 / 3

x = 50

[tex]\rule[225]{225}{2}[/tex]

Hope this helped!

~AH1807

Answer:

[tex]\Large \boxed{\sf x=50}[/tex]

Step-by-step explanation:

Angles on a straight line add up to 180°

[tex]30+3x=180[/tex]

Solve for x

[tex]3x=150[/tex]

[tex]x=50[/tex]

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