Answer:
R= -1
Explanation:
1) Distribute if needed
2) Clear fractions if needed
3) Combine like terms if needed
4) Move variables to one side by using inverse operation
5) Isolate the variable by using add/subtraction then multiply/divide
-9r-5= -18r-14
+18r +18r
———————
9r-5 = -14
+5 +5
———————
9r= -9
9r = -9
— —
9 9
-9/9= -1