Answer: R=8
Step-by-step explanation:
-7 is added to 1 making it R= 1+7 resulting in R=8
Answer:
[tex]\huge \boxed{R=8}[/tex]
[tex]R-7=1[/tex]
Adding 7 to both sides of the equation.
[tex]R-7+7=1+7[/tex]
[tex]R=8[/tex]