Respuesta :

set the two expressions equal to one another

3x  + 17 = 4x - 8

3x (-4x) + 17 (-17) = 4x (-4x) - 8 (-17)

-x = -8 - 17

-x = -25

-x(/-1) = -25(/-1)

x = 25

25 is your answer

hope this helps