Answer:
u = 2
Step-by-step explanation:
13 = 11+u
Subtract 11 from each side
13-11 = 11+u-11
2 = u
u=2
Given: 13=11+u
Subtract 11 from both sides: 13-11=11-11+u
2=u or u=2
Please can I have brainliest?
