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29 September, 03:19

When solving the equation 12x^2-7x=6 - 2x^2+2 as his first step which property justifies this step?

A) subtraction property or equality

B) multiplication property of equality

C) associative property of multiplication

D) distributive property of multiplication over subtraction

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Answers (2)
  1. 29 September, 04:12
    0
    B) multiplication property of equality
  2. 29 September, 05:23
    0
    first step

    12x^2-7x=6 (-2x^2+2)

    12x^2 - 7x = - 12x^2 + 12

    answer is D.

    D) distributive property of multiplication over subtraction
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