which of the following are the missing steps to complete the equation when solving for x? 2× -6= 4(×+2) 2×-6= 4×+8 ×=-7 a. the addition of the 4× variable from one side to move the × to one side and the subtraction of the 6 to the other side of the equation so × is on one side and the other variable is the other side of the equal sign. b. the multiplication of the 4x variable from one side to move the x to one side​