Please check my answers :).

Question

1. Complete two column proof. Given: x/6+2=15
Prove: x=78

x/6+2=15 A:__Given____

x/6=13 B:__Addition property of Equality____

x=78 C:__Multiplication property of Equality_____

Answer 1

If you are balancing the equation... on line two (B) you are subtracting 2 from both sides. As long as you mean the "addition property of equaltity" + (-2) then your proof is sound.