4x+20=9x+30

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Solution for 4x+20=9x+30 equation: 



4x+20=9x+30

We move all terms to the left:

4x+20-(9x+30)=0

We get rid of parentheses

4x-9x-30+20=0

We add all the numbers together, and all the variables

-5x-10=0

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

-5x=10

x=10/-5

x=-2

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