Respuesta :
Answer:
x=5
Step-by-step explanation:
subtract 5x from both sides
9x-5x=5x+20-5x
simplify
4x=20
divide both sides by 4
4/20=5
Answer:
x=5
Step-by-step explanation:
9x-5x=5x+20-5x (subtract 5 from both sides)
4x=20 (divide both sides by 4)
x=5