2.25=-9/7x+20

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Solution for 2.25=-9/7x+20 equation: 



2.25=-9/7x+20

We move all terms to the left:

2.25-(-9/7x+20)=0



Domain of the equation: 7x+20)!=0

x∈R



We get rid of parentheses

9/7x-20+2.25=0

We multiply all the terms by the denominator


-20*7x+(2.25)*7x+9=0

We multiply parentheses

-20*7x+15.75x+9=0

Wy multiply elements

-140x+15.75x+9=0

We add all the numbers together, and all the variables

-124.25x+9=0

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

-124.25x=-9

x=-9/-124.25

x=9/124.25

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