Fill in the missing work and justification for step 2 when solving 3(x + 2) = 12.

step work justification

1 3(x + 2) = 12 given

2

3 3x + 6 − 6 = 12 − 6 subtraction property of equality

4 3x = 6 simplify

5 three times x over three equals six over three division property of equality

6 x = 2 simplify

a. 3x + 6 = 12; distributive property

b. 3x + 2 = 12; distributive property

c. 3x + 6 = 12; multiplication property of equality

d. 3x + 2 = 12; multiplication property of equality