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. Parallel lines A and B are cut by transversal, t, as shown below. Use the relationship of the marked angles above to find the correct value of x.

Parallel lines A and B are cut by transversal t as shown below Use the relationship of the marked angles above to find the correct value of x class=

Respuesta :

Answer:

x = 30

Step-by-step explanation:

These angles form supplementary angles meaning they add up to 180°.

[tex]5x-40+2x+10=180\\7x-30=180\\7x=210\\x=30[/tex]