Question

determinati numarul intreg x stiind ca 2 la puterea 2-x =16​

Answer 1

bun stim ca

$2 {}^{2} - x = 16$

$4 - x = 16$

$x = 4 - 16 = - 12$

X=-12

Answer 2

2^2-x=16
4-x=16
-x=16-4
-x=12
x=-12