Answer :
We need to find r in equation
[tex]4r=56+6[/tex]First step.
Since 56+6=62, our equation is equivalent to
[tex]4r=62[/tex]Second step.
Now, we must move the coefficient 4 to the right hand, then we have
[tex]r=\frac{62}{4}=\frac{31}{2}[/tex]which is equal to 15.5.