Answer:
X would equal 75.
Step-by-step explanation:
x+105=180
-105 -105
x= 75
Subtract 105 from both sides, so that X is left alone on one side, and there is 180 - 105 on the other side.
X + 105 - 105 = 180 - 105
Combine like terms, so X = 75.
