jayve23
contestada

If f(x)=2x+3, find the following value of f(x)=11.

Please help me understand this problem and the answer please. ​

Respuesta :

This is how I would solve. F(x)=11 means that the known y value is 11. So we substitute it into the equation to solve.
F(x)=2x+3
11=2x+3
11-3=2x
8=2x
8/2=x
4=x