noahzukosky35 noahzukosky35 20-11-2020 Mathematics contestada What is the first step in solving the system by the substitution method? x + 2y = 8 3x - 4y = 4 19 O Subtract 2y from cach side of x + 2y = 8 O Add x + 2y = 8 to 3x - 4y = 4 O Multiply x + 2y = 8 by-3 O Set x + 2y equal to 3x - 4y = 4