Question

(-3)³ ori [(-7)²-10x]=(-3)⁴ Imi rezolvati si mie asta , va rog

Answer 1

$49-10x= \frac{ (-3)^{4} }{ (-3)^{3} } \\ 49-10x=-3 \\ 10x=52 \\ x= \frac{52}{10} =5.2$

Answer 2

-27ori[(49)-10x]=81 -1323-270x=81 270x=81+1323 270x=1404 X=1404:270