Asap you are given the system of equations to solve by the elimination method, which is an incorrect step that will not produce a system with the same solution? 2x + y = −10 3x + 4y = −20 a) multiply the first equation by 4 and subtract the second equation eliminate b) multiply the first equation by −4 and add the second equation c) add 8 times the first equation and −2 times the second equation d) multiply y by 4 in the first equation and subtract the second equation