31/2x+18=90

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Solution for 31/2x+18=90 equation: 



31/2x+18=90

We move all terms to the left:

31/2x+18-(90)=0



Domain of the equation: 2x!=0

x!=0/2

x!=0

x∈R



We add all the numbers together, and all the variables

31/2x-72=0

We multiply all the terms by the denominator


-72*2x+31=0

Wy multiply elements

-144x+31=0

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

-144x=-31

x=-31/-144

x=31/144

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