3.8r+3.8(r-8)=197

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Solution for 3.8r+3.8(r-8)=197 equation: 



3.8r+3.8(r-8)=197

We move all terms to the left:

3.8r+3.8(r-8)-(197)=0

We multiply parentheses

3.8r+3.8r-30.4-197=0

We add all the numbers together, and all the variables

7.6r-227.4=0

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

7.6r=227.4

r=227.4/7.6

r=29+1/1.0857142857143

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