Mathematics

Houston Knox

17 February, 06:35

When solving the equation 12x^2 - 7x = 6-2 (x^2 - 1). Evan wrote 12x^2 - 7x = 6 - 2x^2 + 2 as his first step. Which property

justifies this step?

a. subtraction property of equality

b. multiplication property of equality

c. associative property of multiplication

d. distributive property of multiplication over subtraction

+3

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