4+5r=-21-4

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Solution for 4+5r=-21-4 equation: 



4+5r=-21-4

We move all terms to the left:

4+5r-(-21-4)=0

We add all the numbers together, and all the variables

5r+4-(-25)=0

We add all the numbers together, and all the variables

5r+29=0

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

5r=-29

r=-29/5

r=-5+4/5

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