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PLEASE HELP ME!! I DONT UNDERSTAND HOW TO SOLVE THIS ONE!

PLEASE HELP ME!! I DONT UNDERSTAND HOW TO SOLVE THIS ONE!-example-1
User Sadhana
by
4.6k points

1 Answer

2 votes

hey

Explanation:

x+6=4x-21

3x= 27

x=9

cd=6+9=15

User AlThomas
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