Question

Select the correct answer. Molly rewrote the equation as shown: -5d + 11 = 8 − 3d -5d + 11 + 3d = 8 − 3d + 3d Which property did she use to rewrite the equation? addition property of equality distributive property multiplication property of equality substitution property

Answer 1

(a) addition property of equality

Explanation:

You want to know the property that allows Molly to rewrite the equation ...

-5d +11 = 8 -3d

to ...

-5d +11 +3d = 8 -3d +3d

Addition property

The addition property of equality allows Molly to add 3d to both sides of the equation, which is what she did.

Molly used the addition property of equality, choice A.

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