9=-7/10x-12

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Solution for 9=-7/10x-12 equation: 



9=-7/10x-12

We move all terms to the left:

9-(-7/10x-12)=0



Domain of the equation: 10x-12)!=0

x∈R



We get rid of parentheses

7/10x+12+9=0

We multiply all the terms by the denominator


12*10x+9*10x+7=0

Wy multiply elements

120x+90x+7=0

We add all the numbers together, and all the variables

210x+7=0

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

210x=-7

x=-7/210

x=-1/30

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