4a+638-0.34=7

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Solution for 4a+638-0.34=7 equation: 



4a+638-0.34=7

We move all terms to the left:

4a+638-0.34-(7)=0

We add all the numbers together, and all the variables

4a+630.66=0

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

4a=-630.66

a=-630.66/4

a=-157+1/1.5037593984963

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