It 3x - 2 = 7, then 3x = 9
is an example of the ?
1 answer:
Answer:
Addition Property of Equality
Step-by-step explanation:
So we had:

And then we got:

We did this by adding 2 to both sides of the equation. When we added 2, the left side cancelled and the right side equated to 9:

Since we added 2 to both sides, this is an example of the addition property of equality.
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Answer:
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Answer:
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Step-by-step explanation: