Question

Peter Parker solved a system of equationsusing Cross-multiplication method. 2y+5x =31 9y-2x =177 This is what he gets after applying theformula - x/(2)(-17)-(9)(-31)/A=y/(-31)(-2)-(-17)(5)/5=1/(5)(9)-(-2)(2)/C Which of the following parts of Peter ssolution was wrong?Choose 1 answer:⊙ A ⊙ B ⊙ C ⊙ Peter did not make any mistake. `​

Answer 1

Answer:

hi have a nice day ahead

i don't know

Answer 2

Answer:

Its quite easy

Step-by-step explanation:

Answer : { D } Peter did not make any mistake