Identify like terms: Identify like terms in the expression.In the expression 11x+4x, both terms are like terms because they both contain the variable x raised to the same power (which is 1).
Combine like terms: Combine like terms by adding their coefficients.The coefficient of the first term is 11, and the coefficient of the second term is 4. Adding these together gives us 11+4=15.
Write simplified expression: Write the simplified expression.After combining the coefficients, we get 15x as the simplified form of the expression 11x+4x.