Question

Please answer soon. (35 Points)

Answer 1

Answer/Step-by-step explanation:

You add the angle measures up so (7x-1)+(3x-9)=180

Add the variables together and the numbers together.

10x-10=180

Answer 2

10x - 10 = 180

Explanation:

Simplify:

• (7x - 1) + (3x - 9) = 180
• 7x - 1 + 3x - 9 = 180°
• 10x - 1 - 9 = 180°
• 10x - 10 = 180

`\boxed{\text{The answer is 10x - 10 = 180}}`

-Chetan K