2x+9=-5x+30

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Solution for 2x+9=-5x+30 equation: 



2x+9=-5x+30

We move all terms to the left:

2x+9-(-5x+30)=0

We get rid of parentheses

2x+5x-30+9=0

We add all the numbers together, and all the variables

7x-21=0

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

7x=21

x=21/7

x=3

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