a+9=5-9

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Solution for a+9=5-9 equation: 



a+9=5-9

We move all terms to the left:

a+9-(5-9)=0

We add all the numbers together, and all the variables

a+9-(-4)=0

We add all the numbers together, and all the variables

a+13=0

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

a=-13

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