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mylen [45]
4 years ago
7

When solving

Mathematics
1 answer:
Delvig [45]4 years ago
4 0

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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