Identify if each of the following equations is TRUE, FALSE or OPEN

Equation 1: 2(x + 7) = 2x + 14 true or false or open
Equation 2: 7 - (13 - 5) = (13 - 5) - 7 true or false or open
Equation 3: 4x -2 = 6 true or false or open

Equation 1: TRUE

Equation 2: TRUE
Equation 3: FALSE