Identify Equation: Identify the equation to solve.We have the equation 10+x=30, and we need to find the value of x.
Isolate Variable: Isolate the variable x on one side of the equation.To do this, we subtract 10 from both sides of the equation to get x by itself.10+x−10=30−10
Perform Subtraction: Perform the subtraction to simplify the equation.x=30−10x=20
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