Respuesta :

miljanamilovanovic12

Answer:

Step-by-step explanation:

4x+5y=19

x+13y=8/*(-4)

4x+5y=19 (1)

-4x-52y=-32 (2)

4x+5y=19

(1)+(2) - 47y=-13

4x+5y=19

y=13/47

4x+5*13/7=19

4x=19-65/7

4x=133/7-65/7

4x=68/7

x=68/7:4

x=17/7

(x,y)=(17/7,13/47)

jaedinnw
Solve for x or y in one equation, plug the variable equality into the other.
Ver imagen jaedinnw

Otras preguntas