3(r+1.6)-8r=9.2

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Solution for 3(r+1.6)-8r=9.2 equation:



3(r+1.6)-8r=9.2
We move all terms to the left:
3(r+1.6)-8r-(9.2)=0
We add all the numbers together, and all the variables
-8r+3(r+1.6)-9.2=0
We multiply parentheses
-8r+3r+4.8-9.2=0
We add all the numbers together, and all the variables
-5r-4.4=0
We move all terms containing r to the left, all other terms to the right
-5r=4.4
r=4.4/-5
r=-3.1428571428571/3.5714285714286

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