What is the justification for each step in the solution of the equation?

23x-13=2 (x+2) 23x-13=2 (x+2)

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Equation 23x - 13 = 2 (x + 2)

Step justification

23x - 13 = 2x + 4 distributive property

23x - 2x - 13 = 2x - 2x + 4 subtraction property of equality (-2x)

21x - 13 = 4 combine like terms

21x - 13 + 13 = 4 + 13 addition property of equality (+13)

21x = 17 combine like terrms

21x / 21 = 17 / 21 division property of equality

x = 17 / 21 21/21 = 1