Simon used these steps to solve an equation:
step 1: -6(x + 7) = 2(x − 11)
step 2: -6x − 42 = 2x − 22
step 3: -8x − 42 = -22
step 4: -8x = 20
which property did he use to get from step 3 to step 4?
a. addition property of equality
b. distributive property
c. subtraction property of equality
d. transitive property