The key to solving a two-step equation is
isolating the variable on one side of the
equation. In which of the following equations is
the variable isolated?
A.x = 9/2 + 4
B.2x=8
C.3x = 8 + 5
D.X = 5x - 4

Respuesta :

the answer is A because the x is on the other side of the equation
A because x is by itself where as the other ones, x is not by itself