20x-30=9x+7

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Solution for 20x-30=9x+7 equation: 



20x-30=9x+7

We move all terms to the left:

20x-30-(9x+7)=0

We get rid of parentheses

20x-9x-7-30=0

We add all the numbers together, and all the variables

11x-37=0

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

11x=37

x=37/11

x=3+4/11

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