contestada

Find the value of 9u +4 given that 7u-4=3.
Simplify your answer as much as possible.
9u + 4 = 1
Х

Respuesta :

Answer:

• first get the value of u

[tex]7u - 4 = 3 \\ 7u = 3 + 4 \\ 7u = 7 \\{ \underline{ \: \: u = 1 \: \: }}[/tex]

• find the value of 9u + 4:

[tex]9u + 4 = 9(1) + 4 \\ = 9 + 4 \\ { \underline{ \underline{ \: \: 13 \: \: }}}[/tex]

manissaha129

Answer:

[tex]7u - 4 = 3 \\ 7u = 4 + 3 \\ 7u = 7 \\ u = \frac{7}{7} \\ \boxed{u = 1} \\\\f(u) = 9u + 4 \\ f(1) = 9(1) + 4 \\f(1) = 9 + 4 \\ \boxed{f(1) = 13 }[/tex]

  • 13 is the right answer.

Otras preguntas