-r/2+7.85=4.85

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Solution for -r/2+7.85=4.85 equation:



-r/2+7.85=4.85
We move all terms to the left:
-r/2+7.85-(4.85)=0
We add all the numbers together, and all the variables
-r/2+3=0
We multiply all the terms by the denominator
-r+3*2=0
We add all the numbers together, and all the variables
-1r+6=0
We move all terms containing r to the left, all other terms to the right
-r=-6
r=-6/-1
r=+6

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