16r-12=15r-4

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Solution for 16r-12=15r-4 equation: 



16r-12=15r-4

We move all terms to the left:

16r-12-(15r-4)=0

We get rid of parentheses

16r-15r+4-12=0

We add all the numbers together, and all the variables

r-8=0

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

r=8

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