Needhelp02
Needhelp02
29-09-2016
Mathematics
contestada
Solve -a+7=2a-8 Show your work.
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clache
clache
29-09-2016
-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
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Jove
Jove
29-09-2016
1st combine like terms
1a=(-1)
a=(-1) I think thats it
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