0.5-3=12-4.5r

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Solution for 0.5-3=12-4.5r equation: 



0.5-3=12-4.5r

We move all terms to the left:

0.5-3-(12-4.5r)=0

We add all the numbers together, and all the variables

-(-4.5r+12)+0.5-3=0

We add all the numbers together, and all the variables

-(-4.5r+12)-2.5=0

We get rid of parentheses

4.5r-12-2.5=0

We add all the numbers together, and all the variables

4.5r-14.5=0

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

4.5r=14.5

r=14.5/4.5

r=3+1/4.5

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