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4 votes
Solve -a+7=2a-8 Show your work.

2 Answers

1 vote
1st combine like terms
1a=(-1)
a=(-1) I think thats it

User Ecnalyr
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6 votes
-a+7=2a-8
-a+a+7=2a+a-8 add a on both sides
7+8=3a-8+8 add 8 on both sides
15/3=3a/3 divide 3 on both sides
a=5 solution
User Giannis
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