-4r=-9/2

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Solution for -4r=-9/2 equation: 



-4r=-9/2

We move all terms to the left:

-4r-(-9/2)=0

We get rid of parentheses

-4r+9/2=0

We multiply all the terms by the denominator


-4r*2+9=0

Wy multiply elements

-8r+9=0

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

-8r=-9

r=-9/-8

r=1+1/8

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