2r+4=19

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Solution for 2r+4=19 equation: 



2r+4=19

We move all terms to the left:

2r+4-(19)=0

We add all the numbers together, and all the variables

2r-15=0

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

2r=15

r=15/2

r=7+1/2

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