-4a+9=45

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Solution for -4a+9=45 equation: 



-4a+9=45

We move all terms to the left:

-4a+9-(45)=0

We add all the numbers together, and all the variables

-4a-36=0

We move all terms containing a to the left, all other terms to the right

-4a=36

a=36/-4

a=-9

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