28-3r=8-4

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Solution for 28-3r=8-4 equation: 



28-3r=8-4

We move all terms to the left:

28-3r-(8-4)=0

We add all the numbers together, and all the variables

-3r+28-4=0

We add all the numbers together, and all the variables

-3r+24=0

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

-3r=-24

r=-24/-3

r=+8

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