3x+9=40x-620

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Solution for 3x+9=40x-620 equation: 



3x+9=40x-620

We move all terms to the left:

3x+9-(40x-620)=0

We get rid of parentheses

3x-40x+620+9=0

We add all the numbers together, and all the variables

-37x+629=0

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

-37x=-629

x=-629/-37

x=+17

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