Question

What property does Line A use?

A. distributive property
B. commutative property
C. addition property of equality
D. division property of equality
E. subtraction property of equality
F. multiplication property of equality
Also what step could be used to solve the equations? The steps are 3x/3 -20= 10/3 3 · 3x-20=10 · 3 3x-20+20=10-20 or 3x-20+20=10+20 ​

Answer 1

B. Commutative property

Explanation:

In commutative property, changing the order of the operands will not change the result.

5 + 2 = 7 &

2 + 5 = 7