Question

encontrar el valor de la variable X y Y
please doy coronita ,50 puntos y corazones

Answer 1

*5x-7 = 3x + 31
5x-3x = 31 + 7
2x = 38
x= 19

*2y + 8+ 5x -7 = 180
2y +1 + 5x = 180
2y +1 + 5(19) =180
2y +1 + 95=180
2y=180-96
2y = 84
y=42