Respuesta :
3x + 2y = 48.97....multiply by 5
5x + 3y = 76.45 ...multiply by -3
--------------------
15x + 10y = 244.85 (result of multiplying by 5)
-15x - 9y = - 229.35 (result of multiplying by -3)
-------------------add
y = 15.50 <=== cost of a soccer ball
shin guards cost : 5.99
5x + 3y = 76.45 ...multiply by -3
--------------------
15x + 10y = 244.85 (result of multiplying by 5)
-15x - 9y = - 229.35 (result of multiplying by -3)
-------------------add
y = 15.50 <=== cost of a soccer ball
shin guards cost : 5.99