Writing and Solving Systems Using Elimination: Mastery Test 4 Select the correct answer Consider the following system of equations 21 y = 12 5y = -5 The steps for solving the given system of equations are shown below. Step 1: -5 2 - y) = -5 121 -30 - 5y = 5 Step 2 -101 + 5y = -50 Step 3 Step 4 Step 25) - = 12 Step