23-04-2021
Mathematics

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Respuesta :

Kitanisa Kitanisa

23-04-2021

Answer:

43°

Step-by-step explanation:

complementary=90°

6x+1+7x-2=90°

6x+7x+1-2=90°

13x=90-1+2

13x=91

divide both sides with 13

x=7

6(7)+1

42+1

= A =43°

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