Understand the problem: Understand the problem.We need to find a number that, when added to 49.5, gives a result of 8.3. This can be written as an equation: number+49.5=8.3.
Rearrange the equation: Rearrange the equation to solve for the number.To find the number, we need to subtract 49.5 from both sides of the equation. This gives us: number=8.3−49.5.
Perform the subtraction: Perform the subtraction to find the number.Now we calculate 8.3−49.5. This equals −41.2.
Verify the solution: Verify the solution.To check our work, we can add the found number back to 49.5 and see if it equals 8.3. So, −41.2+49.5 should equal 8.3.
Perform the verification calculation: Perform the verification calculation.Calculating −41.2+49.5 gives us 8.3, which confirms our solution is correct.