3....................41,4x-39,5x-1,77x=0,00338
2....................x+x+2,5=23,958
1................... x=4,09x+0,4x=0,6039
3)41x-39,5x-1,77x=0,00338 0,13x=0,00338 x= 0,026 2) 2x=21,458. x=10,729 1) x+4,09x+0,4x=0,6039 5,49x= 0,6039 x= 0,11
41,4x-39,5x-1,77x=0,00338
0,13х=0,00338
х=0,00338:0,13
х=0,026
x+x+2,5=23,958
2х+2,5=23,958
2х=23,958-2,5
2х=21,458
х=10,729
x=4,09x+0,4x=0,6039
х=4,49х=0,6039
5,49х=0,6039
х=0,11