7r+4=42r+11

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Solution for 7r+4=42r+11 equation: 



7r+4=42r+11

We move all terms to the left:

7r+4-(42r+11)=0

We get rid of parentheses

7r-42r-11+4=0

We add all the numbers together, and all the variables

-35r-7=0

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

-35r=7

r=7/-35

r=-1/5

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