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kirill115 [55]
1 year ago
15

Original Equation:8 - 7x^2 + 3 = 4x^2 - 1Frist step:11 - 7x^2 = -4x^2 - 1Which property justifies the first step?A. Division pro

perty of equalityB. Commutative property of addition C. Addition of equality D. Multiplication property of equality
Mathematics
1 answer:
Tpy6a [65]1 year ago
7 0

8 - 7x^2 + 3 = 4x^2 - 1

8+3-7x^2 = 4x^2-1

11-7x^2 = 4x^2-1

B. Commutative property of addition

We can swap numbers and obtain the same results.

In this case, we swapped 8+3 and added them.

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