Question

8×+2 = 16×-1

Sao elevado o ×+2 e o ×-1

Answer 1

( 8 )ˣ⁺²  =  ( 16)ˣ⁻¹
( 2³)ˣ⁺²= ( 2⁴)ˣ⁻¹ =
multiplica os expoentes
( 2)³ˣ⁺⁶  =  ( 2 ) ⁴ˣ⁻⁴
3x + 6 = 4x - 4
3x - 4x = -4 - 6
-x = -10
x = 10 *****