9x+40=3x+20

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Solution for 9x+40=3x+20 equation: 



9x+40=3x+20

We move all terms to the left:

9x+40-(3x+20)=0

We get rid of parentheses

9x-3x-20+40=0

We add all the numbers together, and all the variables

6x+20=0

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

6x=-20

x=-20/6

x=-3+1/3

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