Respuesta :

626787

Answer:

-35=x

Step-by-step explanation:

2x+10=4x+80

-2x     -2x

10=2x+80

-80    -80

-70=2x

÷2   ÷2

-35=x

Answer:

x = 15

Step-by-step explanation:

∠2 and ∠4 are same side interior angles and are supplementary, thus

2x + 10 + 4x + 80 = 180

6x + 90 = 180 ( subtract 90 from both sides )

6x = 90 ( divide both sides by 6 )

x = 15