358,977 views
13 votes
13 votes
Solve -a + 7 = 2a - 8. a=5 D a= 15 a -3 = B a

User Basem Olimy
by
2.7k points

1 Answer

28 votes
28 votes
We want to solve for a
-a + 7 = 2a - 8
we will add 8 to both sides and simply to
-a + 15 = 2a
We will then add a to both sides and simply to
15 = 3a
We then divide by 3 on both sides to get
a=5
User Meliha
by
3.2k points
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