Question 178264
{{{7r+1=7s}}} Start with the given equation.



{{{7r=7s-1}}} Subtract {{{1}}} from both sides.



{{{r=(7s-1)/(7)}}} Divide both sides by {{{7}}} to isolate {{{r}}}.



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Answer:


So the answer is {{{r=(7s-1)/(7)}}}