9a-2a+4a-9a-2=8

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Solution for 9a-2a+4a-9a-2=8 equation:



9a-2a+4a-9a-2=8
We move all terms to the left:
9a-2a+4a-9a-2-(8)=0
We add all the numbers together, and all the variables
2a-10=0
We move all terms containing a to the left, all other terms to the right
2a=10
a=10/2
a=5

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