4*4*4*x*x*x*y*z*z (the * is multiplication)
first move the variable to the right side
This causes it to change signs
3x=19+7y
Now you divide both sides by 3
X= 19/3 + 7/3y
This leaves you with your answer:
X= 19/3+7/3y
Hope this helps! :3
2.5 is the geometric mean