Respuesta :

Answer:

no this is because 28-8+9=29 and 20-9=11

Step-by-step explanation:

arulmalu

Answer:

Her equation is not balanced.

Because 28 - 8 + 9 = 20 - 9

                 29 = 11 ( its not balanced)

She put the  same symbol or sign on both side.Here she put different sign on both side .so this equation is not balanced.

Step-by-step explanation:

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