30=-20-10x

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Solution for 30=-20-10x equation: 



30=-20-10x

We move all terms to the left:

30-(-20-10x)=0

We add all the numbers together, and all the variables

-(-10x-20)+30=0

We get rid of parentheses

10x+20+30=0

We add all the numbers together, and all the variables

10x+50=0

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

10x=-50

x=-50/10

x=-5

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