Answer :
Answer:
x=35,14
Step-by-step explanation:
x+(x-21) =49, combine like-terms and add 21
2x=70
x=35
Now, input 35 for x-21.
35-21=14
35+14=49, which is true and 14 is 21 less than 35.
Answer:
x=35,14
Step-by-step explanation:
x+(x-21) =49, combine like-terms and add 21
2x=70
x=35
Now, input 35 for x-21.
35-21=14
35+14=49, which is true and 14 is 21 less than 35.