30x+21=-39

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Solution for 30x+21=-39 equation: 



30x+21=-39

We move all terms to the left:

30x+21-(-39)=0

We add all the numbers together, and all the variables

30x+60=0

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

30x=-60

x=-60/30

x=-2

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