Solve the following equation. Show all your work.

Put working out into sentences
21.3=x+5.1

To solve the equation 21.3 = x + 5.1, we need to isolate x on one side of the equation.

First, we can subtract 5.1 from both sides of the equation to get:

21.3 - 5.1 = x
16.2 = x

Therefore, the solution to the equation 21.3 = x + 5.1 is x = 16.2.