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Verona is solving the equation -3 + 4x = 9. In order to isolate the variable term using the addition property of equality, which number should she add to both sides of the equation?

Respuesta :

Answer: she should add 3 to both sides

Step-by-step explanation:

-3+4x=9

+3 Both sides +3

4x=12

divide by four in both sides

X=3

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