mtrevino503781
mtrevino503781 mtrevino503781
  • 09-10-2020
  • Mathematics
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Need help don't know what to do!

Need help dont know what to do class=
Need help dont know what to do class=

Respuesta :

us8765594229
us8765594229 us8765594229
  • 09-10-2020

Answer:

1) 15x+10=130 (corresponding angles)

15x=120

x=120/15

x=8

2) 60+128+x=180 (angle to straight line)

188+x=180

x=180-188

x=-8

3) 12x+8=13x+2

12x-13x=2-8

-x=-6

x=6

4) 115+16x+1=180 (co interior angles)

116+16x=180

16x=180-116

16x=64

x=64/16

x=4

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