Question

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$(2 + 3) {}^{2} - x = 12 \: entaox \: vale$

Answer 1

( 2 + 3)² - x  = 12

(5)² - x = 12

25 - x  = 12

-x = 12 - 25

-x = - 13   ( -1 )

x = 13 ***resposta