Respuesta :

thebecks

Answer:

7) x = 2

8) x = 3

9) x = -7

10) x = 8

Step-by-step explanation:

7)

9x + 12 = 5x + 20

4x = 8

x = 2

8)

2x + 12 = 6x

4x = 12

x = 3

9)

62 + x + 125 = 180

x = -7

10)

arc WX = 2(35) = 70 degrees

12x + 14 + 70 = 180 degrees

12x = 96 degrees

x = 8
10: x=8



Sorry that’s all I know

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