8+9a=7-5

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Solution for 8+9a=7-5 equation: 



8+9a=7-5

We move all terms to the left:

8+9a-(7-5)=0

We add all the numbers together, and all the variables

9a+8-2=0

We add all the numbers together, and all the variables

9a+6=0

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

9a=-6

a=-6/9

a=-2/3

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