For each of the following equations, please choose which property of operations is used in the equation XXXXXXXXXX) = XXXXXXXXXX 2. 42 x 10 = 42 x XXXXXXXXXXx -2 3. 6 x XXXXXXXXXX) = 6 x XXXXXXXXXX)...

For each of the following equations, please choose which property of operations is used in the equation

1. 111+(-11+20) = (111+ -11) +20

2. 42 x 10 = 42 x 12 + 42 x -2

3. 6 x (-12+42) = 6 x (42+ -12)

4. (-2 x 5) x 3 + 51 = -2 x (5x3) + 51

Answer choices-
a. Associative property for addition
b. Distributive property of multiplication over addition
c. Associative property for multiplication
d. Commutative property for addition