-2a+9=39

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Solution for -2a+9=39 equation:



-2a+9=39
We move all terms to the left:
-2a+9-(39)=0
We add all the numbers together, and all the variables
-2a-30=0
We move all terms containing a to the left, all other terms to the right
-2a=30
a=30/-2
a=-15

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