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Verified answer
5x + 2y = 9. (1)3x + y = 5. (2)
Despejó (y) de (2)
y= 5 - 3x. (3)
Sustituyó (3) en (1):
5x + 2(5 - 3x) = 9
5x + 10 - 6x = 9
-x = 9 - 10
x= 1
Sustituyó valor x en (3)
y= 5 - 3(1)
y= 5 - 3
y= 2
C.S { 1,2}
Comprobación
5x + 2y = 9
5(1) + 2(2) = 9
5 + 4 = 9
9=9
3x + y = 5
3(1) + 2 = 5
3 + 2 = 5
5 = 5
Saludos y éxitos.