weimeraner47 weimeraner47 21-01-2024 Mathematics Answered Which system of equations could be used to solve this equation? |3x|+7x+1=0 Oy=|3x|+7r y = -1 Oy=|3x|+7z y = 1 O y = |3r| y=-7x-1 Oy = |3r| y = 7x +1