Respuesta :

Answer:

x = 21

Step-by-step explanation:

5x + 15 = 2x + 78

3x = 63

x = 21

Hi1315

Answer:

x = 21°

Step-by-step explanation:

As corresponding angles in parallel lines are equal,

5x + 15 = 2x + 78

And now let us solve for x.

5x + 15 = 2x + 78

5x + 15 - 2x = 78

3x + 15 = 78

3x = 78 - 15

3x = 63

Divide both sides by 3.

x = 21°

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