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Twice the difference of a number and 3 is 7 using y as the unknown variable

Twice the difference of a number and 3 is 7 using y as the unknown variable
asked 214k views
3 votes
Twice the difference of a number and 3 is 7 using y as the unknown variable

asked
User Carey Gregory
by
8.0k points

1 Answer

4 votes

Answer:

6.5

Explanation:

2(y-3)=7

2y-6=7

2y=7+6

2y=13

y=13/2=6.5

answered
User Vintastic
by
8.4k points
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