Question

5x-2y=1

4x-3y=1

2x+4y=54

5x+y=73 me ajudem urgente para hoje a noite

Answer 1

5x-2y=1

5x=1 = 2y

x​ = 1/5 + 2/5y

x​= 1/3

4x-3y = 1

4x = 1 + 3y

x​= 1/4+ 3/4y

x​= 1

2x+4y = 54

2x= 54 - 4y

x​ = 27- 2y

x​ = 9

5x + y = 73

5x = 73 - y

x​ = 73/5 - 1/5y

x​= 14,4y

x