10r + 8 = 98
To solve the equation, you need to isolate the variable r.
First, subtract 8 from both sides of the equation:
10r + 8 - 8 = 98 - 8
10r = 90
Next, divide both sides of the equation by 10 to solve for r:
10r/10 = 90/10
r = 9
Therefore, the solution to the equation 10r + 8 = 98 is r = 9.