Respuesta :

Both of this angles are same side interior angles which means both of this angles when added equal to 180 degrees

5x +15 + 3x - 3 = 180

8x - 12 = 180
     +12     +12

8x = 192 

x = 24
calculista

we know that

[tex](5x+15)\°+(3x-3)\°=180\°[/tex] -----> by consecutive interior angles

so

Solve for x

[tex](5x+15)+(3x-3)=180\\ 8x+12=180\\8x=180-12 \\x=168/8 \\x=21\°[/tex]

therefore

the answer is

[tex]x=21\°[/tex]

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