weepingwysteria weepingwysteria

26-09-2018
Mathematics

contestada

What properties of equality are these? The options I have are distributive, addition, subtraction, multiplication, division, transitive, symmetric, substitution, and reflexive.

1. x + (3x + 20) = 180
2. 4x + 20 = 180
3. x = 40

Respuesta :

anayeli23 anayeli23

26-09-2018

I think distributive. multiplication and addition.

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