Question

100x-0,87*(19,3+3,7)=0

Answer 1

100x - 0,87 X ( 19,3 + 3,7 ) = 0
100x = 0,87 X ( 19,3 + 3,7 ) + 0
100x = 0,87 X 23 + 0
100x = 20,01
x = 20,01 : 100
x = 0,2001
Ответ : 0,2001

Answer 2

100х-16,791-3,219=0
100х=16,791+3,219
100х=20,01
х=0,2001