Answer:
r=6
Explanation:
156/r=26
All terms are shifted to the left:
156/r-(26)=0
We divide every term by the denominator.
-26*r+156=0
All the numbers and variables are added together.
-26r+156=0
All terms containing r are shifted to the left, and all other terms are shifted to the right.
-26r=-156
r=-156/-26
r=6