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

Respuesta :

SJ2006

The Number is -3

-3+4x = 9

-3-(-3)+4x = 9-(-3)

4x = 12

x = 3

cbyler11
-3 + 4x = 9
+3          +3
4x = 12
/4       /4
x = 3

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