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grin007 [14]
4 years ago
9

Solve for a:  -5 + 2a = -a - 8

Mathematics
2 answers:
Gre4nikov [31]4 years ago
4 0
The answer is a = -1  
- 5 + 2a = -a - 8
+5                +5
2a = -a - 3
+a    +a
3a = -3 
/3    /3
a = -1
Vladimir79 [104]4 years ago
3 0


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
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