Answer:
Step-by-step explanation:
x+y+x+11=y
Combine x and x to get 2x.
2x+y+11=y
Subtract y from both sides.
2x+11=y−y
Combine y and −y to get 0.
2x+11=0
Subtract 11 from both sides. Anything subtracted from zero gives its negation.
2x=−11
Divide both sides by 2.
x= -11/2
