Question

determine o valor numérico da expressão 7x + x/3 - 4.(x+1) para x = 6

Answer 1

7x=x/3-4.(x=1)=
7.6+6/3-4.(6+1)=
7/3.6/3+6/3-4/3.(6/3+1/3)=
1.18+6-12.(18+3)=
21.18+6-12.21=
378+-252=
378+6-252=
126