Identify Goal: Identify the goal of the problem.We need to find the value of x that satisfies the equation 1+x=5.
Isolate Variable: Isolate the variable x on one side of the equation.To do this, we subtract 1 from both sides of the equation to get x by itself.1+x−1=5−1
Perform Subtraction: Perform the subtraction on both sides.x=5−1x=4
Check Solution: Check the solution by substituting the value of x back into the original equation.1+4=55=5This confirms that x=4 is the correct solution.