9=-21-10/11x

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Solution for 9=-21-10/11x equation: 



9=-21-10/11x

We move all terms to the left:

9-(-21-10/11x)=0



Domain of the equation: 11x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-(-10/11x-21)+9=0

We get rid of parentheses

10/11x+21+9=0

We multiply all the terms by the denominator


21*11x+9*11x+10=0

Wy multiply elements

231x+99x+10=0

We add all the numbers together, and all the variables

330x+10=0

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

330x=-10

x=-10/330

x=-1/33

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