39x-21=9x-45

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Solution for 39x-21=9x-45 equation: 



39x-21=9x-45

We move all terms to the left:

39x-21-(9x-45)=0

We get rid of parentheses

39x-9x+45-21=0

We add all the numbers together, and all the variables

30x+24=0

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

30x=-24

x=-24/30

x=-4/5

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