Respuesta :

Answer:

7

Step-by-step explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Answer:

10

Step-by-step explanation:

You must substitute the 3 for the x in f(x) = 2x+1 first

f(x) = 7

Then substitute the 7 for the x in g(x) = (3x - 1)/2

g(x) = 10