MCQ PracticeIf frac1x + frac1y + frac2z + frac14 = frac2979, where x, y and z are natural numbers, then the value of (2x + 3y - z) is:Subject: MathematicsTopic: SimplificationA0B4C1D2Correct Answer: DPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the