kitchenchair
kitchenchair kitchenchair
  • 19-05-2020
  • Mathematics
contestada

Write and solve an equation for .

Write and solve an equation for class=

Respuesta :

Hi1315
Hi1315 Hi1315
  • 19-05-2020

Answer:

[tex]x = 40 \: \: degrees[/tex]

Step-by-step explanation:

[tex]3x + 20 + x = 180 \\ 4x + 20 = 180 \\ 4x = 180 - 20 \\ 4x = 160 \\ \frac{4x}{4} = \frac{160}{4} \\ x = 40 \: \: degrees[/tex]

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