Mathematics, 30.04.2021 23:00 xwilliams83

15. Alexis wrote 28 -8 = 20. Then she wrote 28 - 8+9= 20 + q. Which property of equality justifies that the equations are equivalent? help m pl-

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15. Alexis wrote 28 -8 = 20. Then she wrote 28 - 8+9= 20 + q. Which property of equality justifies t...

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15. Alexis wrote 28 -8 = 20. Then she wrote 28 - 8+9= 20 + q. Which property of equality justifies that the equations are equivalent? help m pl- ​

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Another question on Mathematics

15. Alexis wrote 28 -8 = 20. Then she wrote 28 - 8+9= 20 + q. Which property of equality justifies that the equations are equivalent? help m pl-