7=1/2x+9

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Solution for 7=1/2x+9 equation: 



7=1/2x+9

We move all terms to the left:

7-(1/2x+9)=0



Domain of the equation: 2x+9)!=0

x∈R



We get rid of parentheses

-1/2x-9+7=0

We multiply all the terms by the denominator


-9*2x+7*2x-1=0

Wy multiply elements

-18x+14x-1=0

We add all the numbers together, and all the variables

-4x-1=0

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

-4x=1

x=1/-4

x=-1/4

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