The answer is: [C]: " 3 " . ____________________________________ Explanation: __________________________________ 4x - 1 = 2x + 5 ; Solve for "x" ; __________________________________ Subtract "2x" from each side of the equation; and add "1" to each side of the equation: ___________________________________________________ 4x - 1 - 2x + 1 = 2x + 5 - 2x + 1 ; ___________________________________________________ 2x = 6 ; _________________________________ Divide EACH side of the equation by "2" ; to isolate "x" on ONE side of the equation; and to solve for "x" ; _________________________________ 2x / 2 = 6 / 2 ; _________________________________ x = 3. _________________________________ The answer is: [C]: " 3 " . _________________________________
