ariel6685
ariel6685 ariel6685
  • 20-02-2022
  • Mathematics
contestada

I need help finding x

I need help finding x class=

Respuesta :

xenia168
xenia168 xenia168
  • 20-02-2022

Answer:

Step-by-step explanation:

#19.

(7x - 2)° + (10 - 3x)° = 180°

(7x - 3x) + (10 - 2) = 180

4x = 172

x = 43

#21.

(6x - 144)° = (2x)°

4x - 2x = 144

2x = 144

x = 72

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stagavityan
stagavityan stagavityan
  • 20-02-2022
the top answer is correct
Answer Link

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