Solve for a: -5 + 2a = -a - 8

asked Nov 9, 2018 57.3k views

1 vote

Solve for a:
-5 + 2a = -a - 8

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3 votes

You said -5 + 2a = -a - 8

Add 'a' to each side: -5 + 3a = -8

Add 5 to each side: 3a = -3

Divide each side by 3 : a = -1

DerekC answered Nov 12, 2018

8.0k points

5 votes

The answer is a = -1
- 5 + 2a = -a - 8
+5 +5
2a = -a - 3
+a +a
3a = -3
/3 /3
a = -1

Per Fagrell answered Nov 15, 2018

8.0k points

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