Complete the two column proof.
Given: m
Prove: x = 15
m
m
5x + 7x = 180 a. ____________________
12x = 180 b. ____________________
x = 15 c. ____________________
Given: m
Prove: x = 15
m
m
5x + 7x = 180 a. ____________________
12x = 180 b. ____________________
x = 15 c. ____________________