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Solve the equation -7(3-a+1)=-21​

Solve the equation -7(3-a+1)=-21​
asked 159k views
2 votes
Solve the equation -7(3-a+1)=-21​

asked
User Acey
by
8.4k points

1 Answer

6 votes

Answer:

a = 1

Explanation:

-7 (3-a+1) = -21

-21 + 7a -7 = -21

7a -7 = -21 +21

7a -7 = 0

7a = 7

a = 7/7

a = 1

answered
User Borked
by
7.7k points
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