Question

решите номер 340 (примеры а, в)​

Answer 1

$8.3x + 2x - 60.5 = 300 \ 10.3x = 300 + 60.5 \ 10.3x = 360.5 \ x = 360. 5div 10.3 \ x = 3605 div 103 \ x = 35$

$86.4 div (35.5 - 7x) = 16 \ 35.5 - 7x = 86.4 div 16 \ 35.5 - 7x = 5.4 \ 7x = 35.5 - 5.4 \ 7x = 30.1 \ x = 30.1 div 7 \ x = 4.3$

Answer 2

спасибки огромное