7(r+1)=5r+59check solution
To get solution we want to have only one r on the LHS.7(r+1)=5r+597r+7=5r+59 /-5r (subtract 5r both sides)7r-5r+7=5r-5r+592r+7=59 /-7 (subtract 7 both sides)2r=59-72r=52 /:2 (divide both sides by 2)r=26 - its the answer
\(7(r+1)=5r+59\\ 7r+7=5r+59\\ 2r=52\\ r=26\)