Im struggling on this can someone explain it to me

Mariano Kamp asked Apr 18, 2022

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43 votes

Mariano Kamp asked Apr 18, 2022

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16 votes

Answer:

B. 31°; 106° and 43°.

Explanation:

1) the rule is:

(5x-7)+(3x+1)+(11x-4)=180°;

2) if to solve this equation, then x=10°;

3) if x=10, then after the substitution the answer is 43;31;106.

Petty answered Apr 24, 2022

by Petty

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