21/9x+1=8/9x-10

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Solution for 21/9x+1=8/9x-10 equation: 



21/9x+1=8/9x-10

We move all terms to the left:

21/9x+1-(8/9x-10)=0



Domain of the equation: 9x!=0

x!=0/9

x!=0

x∈R





Domain of the equation: 9x-10)!=0

x∈R



We get rid of parentheses

21/9x-8/9x+10+1=0

We multiply all the terms by the denominator


10*9x+1*9x+21-8=0

We add all the numbers together, and all the variables

10*9x+1*9x+13=0

Wy multiply elements

90x+9x+13=0

We add all the numbers together, and all the variables

99x+13=0

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

99x=-13

x=-13/99

x=-13/99

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