Estimate the solution of the equation x – 8.1 = 5.3 to the nearest whole number.
To estimate the solution of the equation x - 8.1 = 5.3 to the nearest whole number, we can add 8.1 to both sides of the equation to isolate x:
x - 8.1 + 8.1 = 5.3 + 8.1
This simplifies to:
x = 13.4
To the nearest whole number, the solution of the equation is 13.
To estimate the solution of the equation x - 8.1 = 5.3 to the nearest whole number, we need to isolate x on one side of the equation.
Adding 8.1 to both sides of the equation, we get:
x - 8.1 + 8.1 = 5.3 + 8.1
This simplifies to:
x = 13.4
Now, we can round the solution to the nearest whole number. Since the decimal part is 0.4, which is less than 0.5, the nearest whole number would be 13.
Therefore, the estimated solution to the equation x - 8.1 = 5.3, to the nearest whole number, is x = 13.