a-5*7=4

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Solution for a-5*7=4 equation: 



a-5*7=4

We move all terms to the left:

a-5*7-(4)=0

determiningTheFunctionDomain
a-4-5*7=0

We add all the numbers together, and all the variables

a-39=0

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

a=39

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