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Anonymous
9a +8 -2a -3 -5a = 2a +5
Sheldon Lynch ∙
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It is the same as: 9a -4a = 5a
It is: 9a-a-a = 7a
If: 9a = 18b Then: a = 2b
The simplified expression is -9a -9b.
There is nothing you can do to 9a + 5 without knowing the value of a.