-11+2r=1-4

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Solution for -11+2r=1-4 equation: 



-11+2r=1-4

We move all terms to the left:

-11+2r-(1-4)=0

We add all the numbers together, and all the variables

2r-11-(-3)=0

We add all the numbers together, and all the variables

2r-8=0

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

2r=8

r=8/2

r=4

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