Select all the correct anwsers. select all the equations with a solution of x = 3 a) 1/2x - 4 = 2 b) 0.4x - 0.8(x - 4) = 1.3x - 1.9 c) 1/4x + 7 = 31/4 d) x - 2(x + 4) = x + 2 e) 3(x + 4) - x = 18

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]