leerey2008
contestada

use the properties of equlity to solve the equation 7x - 4 + x = 12. State which property justifies your first step and why you choose.​

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Bemirus

Answer:

x = 2

Step-by-step explanation:

7x-4+x=12

+4 on both sides

8x = 16

divided by 8 on both sides

x = 2

Answer:

Property of addition, to combine like terms

Step-by-step explanation:

7x - 4 + x = 12

8x - 4 = 12

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