5a+7=89

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Solution for 5a+7=89 equation: 



5a+7=89

We move all terms to the left:

5a+7-(89)=0

We add all the numbers together, and all the variables

5a-82=0

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

5a=82

a=82/5

a=16+2/5

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