Answer:?
Step-by-step explanation:
Answer:
x= -40
x+29=-11
Subtract 29 from each side
x+29-29 = -11-29
x =-40
678
First you have to do 666-66 which is 600. Then you add 777 which is 1377. Then you add 90 which is 1467. Last you subtract 789.