Respuesta :

enfyerno

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

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