brandocampos brandocampos

29-11-2018
Mathematics

contestada

how do i solve this 3x + y = 36
5x + y = 56

Respuesta :

james8zhou james8zhou

29-11-2018

Answer:

x=10, y=6

Step-by-step explanation:

the send equation minus the first.

(5x+y)-(3x+y)=56-36

2x=20--->x=10

then put x=10 to the first equation, 3*10+y=36, get y=6

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