Question

Решите уровнение :

1) 1,5x - 3=2
2) 8+ 2/3^y = 14

Answer 1

$1.5x-3=2 \ 1.5x=2+3 \ 1.5x=5 \ x=dfrac{5}{1.5} \ x=dfrac{10}{3} \ x=3dfrac{1}{3}$

$8+dfrac{2}{3^y} = 14 \ dfrac{2}{3^y} = 14-8 \ dfrac{2}{3^y} =6 \ 3^y=dfrac{2}{6} \ 3^y=dfrac{1}{3} \ 3^y=3^{-1} \ y=-1$

Answer 2

да