2,945х +1,549х -20,9, если х= 22

Question

2,945х +1,549х -20,9, если х= 22

Answer 1

2,945х+ 1,549 х -20,9
2,945×22+1,549×22-20,9=64.79+34,078 -20,9=77,968

Answer 2

1)2,945x+1,549x=7,439x
2)7,439*22=163,658
3)163,658-20,9=142,758