Respuesta :
Answer:
Answer is 16.7
Step-by-step explanation:
[tex]Given \: expression \: is \: \: 7x - 5 \\ tofind \: the \: value \: of \: the \: expression \: \\ when \: x = 3.1 \\ on \: substituting \: x = 3.1 \: in \: the \: given \: expression \\ 7x - 5 = 7(3.1) - 5 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: = 21.7 - 5 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: = 16.7[/tex]
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Evaluate this expression for
x= 3.1 [Given]
Now,
7x - 5
Putting the value of x
⇒ 7 × 3.1 - 5
⇒ 21.7 - 5
⇒ 16.7
The value of the expression is 16.7
