3.2r=7.1+5.7

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Solution for 3.2r=7.1+5.7 equation: 



3.2r=7.1+5.7

We move all terms to the left:

3.2r-(7.1+5.7)=0

We add all the numbers together, and all the variables

3.2r-(12.8)=0

We add all the numbers together, and all the variables

3.2r-12.8=0

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

3.2r=12.8

r=12.8/3.2

r=4

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