riri1228 riri1228 26-09-2022 Mathematics Answered Which equation can be solved by using this system of equations? [y-3x³-7x² +5 y-7x4+2x O 3x³-7x²+5-0 O 3x³-7x²+5-7x²+2x O 7x²+2x=0 O 7x4 +3x³-7x²+2x+5=0