7a+3=-39

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Solution for 7a+3=-39 equation: 



7a+3=-39

We move all terms to the left:

7a+3-(-39)=0

We add all the numbers together, and all the variables

7a+42=0

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

7a=-42

a=-42/7

a=-6

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