meyguerr
contestada

When solving
[tex]4(3 {x}^{2} + 2) - 9 = 8 {x}^{2} + 7[/tex]
Emily wrote
[tex]4(3 {x}^{2} + 2 = 8 {x}^{2} + 16[/tex]
as her first step. Which property justifies Emily's first step?

Respuesta :

wegnerkolmp2741o

Answer:

addition property of equality.

Step-by-step explanation:

4(3 x^2 + 2) - 9 = 8 x^2 + 7

We can add 9 to each side, by using the addition property of equality.

a=b  then a+c = b+c

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