Respuesta :
Answer:
x=80
Step-by-step explanation:
2/5x-8=20+3/4x
Move ones with similar variables to each side to seperate
2/5x-3/4x=20+8
8/20x-15/20x=28
-7/20x=28
x=28÷-7/20
x=28×20/7
x=80
2/5x-8=20+3/4x - given
2/5x=28+3/4x - addition property of equality
X=80
2/5x=28+3/4x - addition property of equality
X=80