2 years ago

PLS HELP WILL MARK YOU BRAINLIEST, NO FAKE ANSWERS!!

Mathematics

1 answer:

Lisa [10]2 years ago

8 0

Answer:

1. if x + 5 = 12, then x = 7

<u>:Subtraction property of equality</u>

2. If x + y = 20, and y = 5, then x + 5 = 20.

<u>:Substitution property of equality</u>

3. If 2x3 = 11, then 11 = 2x - 3.

<u>:Symmetric property of equality</u>

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