Respuesta :
Answer:
x = 4
Step-by-step explanation:
2x − y = 11 ⇒ -y = - 2x +11 ⇒ y = 2x - 11
x + 3y = -5
x + 3(2x - 11) = -5
x + 6x - 33 = -5
+33 +33
7x = 28
÷7 ÷7
x = 4
Answer:
Step-by-step explanation:
2x − y = 11 ⇒ -y = - 2x +11 ⇒ y = 2x - 11
x + 3y = -5
x + 3(2x - 11) = -5
x + 6x - 33 = -5
+33 +33
7x = 28
÷7 ÷7
x = 4