half of a number is 21 less then twice of the number. find the number tell fast pls
Answers
Answered by
1
Answer:
10.5
Step-by-step explanation:
please mark as brainliest answer
Answered by
3
Answer:
half of a number is 21 less then twice of the number is 1/2x=2x-21
3/2x=21;x=14
Similar questions