1=r-7/2

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Solution for 1=r-7/2 equation: 



1=r-7/2

We move all terms to the left:

1-(r-7/2)=0

We add all the numbers together, and all the variables

-(+r-7/2)+1=0

We get rid of parentheses

-r+1+7/2=0

We multiply all the terms by the denominator


-r*2+7+1*2=0

We add all the numbers together, and all the variables

-r*2+9=0

Wy multiply elements

-2r+9=0

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

-2r=-9

r=-9/-2

r=4+1/2

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